From 17386bc5cbf1e08735338c0c7879a53a34fc3799 Mon Sep 17 00:00:00 2001 From: Erik Svilich Date: Mon, 19 Oct 2026 17:38:22 +0000 Subject: [PATCH 1/3] Add com.encypher.text.watermark.1 and com.encypher.text.fingerprint.1 (entries 56, 57) --- softbinding-algorithm-list.json | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/softbinding-algorithm-list.json b/softbinding-algorithm-list.json index 43fbdd4..8698f83 100755 --- a/softbinding-algorithm-list.json +++ b/softbinding-algorithm-list.json @@ -863,5 +863,33 @@ "contact": "support@immostory.ai", "informationalUrl": "https://immostory.ai/en/provenance" } + }, + { + "identifier": 56, + "alg": "com.encypher.text.watermark.1", + "type": "watermark", + "decodedMediaTypes": [ + "text" + ], + "entryMetadata": { + "description": "Encypher text watermark. Embeds an invisible identifier in signed text without changing how the text renders. The identifier can be recovered from the full text, from a copied excerpt of sufficient length, or from lightly edited text, and Encypher resolves it to the C2PA Manifest for that text, including when the embedded manifest has been removed.", + "dateEntered": "2026-10-19T00:00:00.000Z", + "contact": "c2pa@encypher.com", + "informationalUrl": "https://encypher.com/c2pa/soft-binding/text-watermark" + } + }, + { + "identifier": 57, + "alg": "com.encypher.text.fingerprint.1", + "type": "fingerprint", + "decodedMediaTypes": [ + "text" + ], + "entryMetadata": { + "description": "Encypher text content fingerprint. SHA-256 of the Unicode NFC-normalized visible text, computed before any Encypher marks or the embedded C2PA Manifest are added. Used to look up the C2PA Manifest for an exact copy of signed text.", + "dateEntered": "2026-10-19T00:00:00.000Z", + "contact": "c2pa@encypher.com", + "informationalUrl": "https://encypher.com/c2pa/soft-binding/text-fingerprint" + } } ] From 03c5c97a39b7e1add17c3aa121e526a811574a9c Mon Sep 17 00:00:00 2001 From: Dominique Guinard Date: Wed, 28 Oct 2026 11:19:56 +0100 Subject: [PATCH 2/3] Update softbinding-algorithm-list.json --- softbinding-algorithm-list.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/softbinding-algorithm-list.json b/softbinding-algorithm-list.json index 8698f83..21f4557 100755 --- a/softbinding-algorithm-list.json +++ b/softbinding-algorithm-list.json @@ -865,7 +865,7 @@ } }, { - "identifier": 56, + "identifier": 57, "alg": "com.encypher.text.watermark.1", "type": "watermark", "decodedMediaTypes": [ From eb2fc27e4e1e23afe990a334155ded88ccbd1d15 Mon Sep 17 00:00:00 2001 From: Dominique Guinard Date: Wed, 28 Oct 2026 11:20:07 +0100 Subject: [PATCH 3/3] Update softbinding-algorithm-list.json --- softbinding-algorithm-list.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/softbinding-algorithm-list.json b/softbinding-algorithm-list.json index 21f4557..7fcc79e 100755 --- a/softbinding-algorithm-list.json +++ b/softbinding-algorithm-list.json @@ -879,7 +879,7 @@ } }, { - "identifier": 57, + "identifier": 58, "alg": "com.encypher.text.fingerprint.1", "type": "fingerprint", "decodedMediaTypes": [