Ries is the German word for a unit of paper ream, derived from the Arabic word rizma. The term can refer to: Geography Nördlinger Ries, a large circular depression in western Bavaria, Germany. R
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x514fe2e1132af03692fc7081b72f61e17fd70eca5a9c5227d18fdd64f35b3f66. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c074ae49-8403-4058-9c20-d04beba11c4c.json and https://artists.proofprofile.net/proofs/artist/c074ae49-8403-4058-9c20-d04beba11c4c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cda35a2d2fba74e58474834e2131e17be1619f215ec33aee1a1f3e079db9b54. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:20:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82453406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9222b951173951fe2712942e5e9c07e8d623a6f6313df9bfe08dc78620ec933. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82455008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b3f4f2b510e17480bad77d0852e8d19acb21ed0d987eb9c0e37f86622ea075c. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T13:49:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82465501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf5946767395cf324faa99d78b71e119143d68cdbb32f04ce0cff1249843cda2. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82465502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c7f3ee954eaa88ad29387b793c2dd803737f378eae41c4d3c8d1fcafbaede17. Chain 2 (Bitcoin): anchored in block 958668 (2026-07-19T05:16:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82465503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8104f23229c341506aee6afe1841dc529aa69724116725c7404fb52fc7a62df7. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T08:31:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82465504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71396e9b0391649112e29662b3d4a0c0b459dd3604a5a6033e6a6657762cbe0c. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-16T00:06:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82465507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a6010553af8d4127e3b50509730fbb75dd9faa2910a96c3bc61779df952bd0f. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82465508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6406fd4b43d38aec37f493055e576cf609b6ee208d5564af2f0aa55733365f09. Chain 2 (Bitcoin): anchored in block 957965 (2026-07-14T07:07:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82466606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27f436913c2ac45fe511b31dcdbf2b0008de71a27dec1bddc5073188a48c162f. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82466607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c72b8b55b904e421c75401f98a162ce0b0e26935e96c655abc9edee1097591b. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82466609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8f28c4b3b1862f625008d7aaf2c0f94048651d0db142a572b3470d5b777dda3. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82466610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3a51249c99721e294818faa330531f1aaf6cab841c84b6d03b71368b05bb0d9. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82469306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x001ca4d058629d10116fee1443a4f67216cd6abadee488d8f54728a22868c658. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82575201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d3df9b652525d03389dadec3965cd90e1b1b346aa1768355ba8deffe69dd26b. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82575203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d7e82b96f940890abd2284dcb12c4513b7fb8b6397f52aae4e2bbbc0e5b72df. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82579001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b8a1fe25ef6a394c49b79e24f6926a60644e81b4e34faf17c9636919ee59c23. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82459601.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d342faeaab499c10da50166336459b5e45335143ad535c7e03ede3cdd403c48. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82225103.
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0fb8b008bcbe8b15e1c86adeae9d1086e21f27a9fc230ffefa5deb2fc2c46c5. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82226101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0b36615be72bfc3f32c74c6d67eca3df886bb27e259443c47b2136a5ef3dfa9. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DERH82225101.