Player may refer to: Role or adjective Player (game), a participant in a game or sport Gamer, a player in video and tabletop games Athlete, a player in sports Player character, a character in a
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 0x1facea818ef301863568e487bdb67937bd15eaa8a93a3bc04617daf4aeb4ab69. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8187748a-505a-41a9-ac09-ce4fd35d8ab2.json and https://artists.proofprofile.net/proofs/artist/8187748a-505a-41a9-ac09-ce4fd35d8ab2.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 0x2d36ce790f5d1254e046ad35565ecc082fd965b503c1bea3ee5901c98ce8e5aa. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/NLF050190145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x531df549526ff714a957c0c1d1ace02819381ae13271ba629ba77b17253fde03. 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/NLF050190147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b716f459d503aee4c816f221977a61f7c20b7c83b6a20525795ef618083992f. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/NLF050190150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc839493aa5f2c7da1fb1a84a35861bda7772980b2eebe12b6f081d3965dc7142. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T13:04:10Z), 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/NLF050190153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0a81f5f06fb2043218d5835584e00f65cb593506b7f2b4964eccbadad95dd79. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USUM71925109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a02ac70dfb2c36a04b1fd2d4c83b2894eae54aba933d0cafd1c040522d3fa95. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:25:03Z), 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/USWWW0201029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ea5c4ef87928f92fa4ced919ce6d9155dd612c5e8d24b43b645acaa2229ae9d. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/USUM71925110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01ac09fcc36521adcb0d88a6380245544cf861e36835a31ab0f592e944d92e07. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/USUM71925111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24e5e90c4d1e2ca27a7cfa593b8fa03085f4a4c9ad21ec3b7e4c66a4e5e1eac4. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USUM71925112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d786c397a59ec19482407a61e1d15868d3001eb8460a9aa126bc7c31a0333fc. Chain 2 (Bitcoin): anchored in block 958908 (2026-07-20T18:51:11Z), 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/USCMG0500134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc0baa18ba1a520f1e78c058931590db09180db19dad1a0a00ee96df0541012e. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/USCMG0500136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf89368fe5fd26779befe331349a8a8a1ed7c75c4ba343ed8da172baf31023780. 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/USCMG0500138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05d94dc0bbe09e4f92545fdfa66bbd1ef57fbf5e1a5740a435bb64e31dfa5956. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/USCMG0500140.
Song of Love for Amber (feat. Peter Beckett & Ronn Moss)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4710aae04058e2dea129aafa0452bfb8b04b4da2549139f35ab1c8c175db00d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/NLF050190048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8d5f1c24b87ab17be975b3b9b571eb6dce73791a698d5c27cf737a3cc6bbdd5. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/NLF057790013.
With Love From ... PolyGram 50th Anniversary
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4710aae04058e2dea129aafa0452bfb8b04b4da2549139f35ab1c8c175db00d. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/NLF050190048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4710aae04058e2dea129aafa0452bfb8b04b4da2549139f35ab1c8c175db00d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/NLF050190048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4710aae04058e2dea129aafa0452bfb8b04b4da2549139f35ab1c8c175db00d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NLF050190048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8d5f1c24b87ab17be975b3b9b571eb6dce73791a698d5c27cf737a3cc6bbdd5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/NLF057790013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4710aae04058e2dea129aafa0452bfb8b04b4da2549139f35ab1c8c175db00d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/NLF050190048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4710aae04058e2dea129aafa0452bfb8b04b4da2549139f35ab1c8c175db00d. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), 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/NLF050190048.
Rxxistance Vol. 4: Xpression, Mixed by DJ Pepo (Continuous Mix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0acbbcf02e221add1c6c32ad1ec6e418cc55347f1ff31d4e46ffac891fc817b1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ESA060410520.
Rxxistance Vol. 4: Xpression, Mixed by DJ Pepo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0acbbcf02e221add1c6c32ad1ec6e418cc55347f1ff31d4e46ffac891fc817b1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/ESA060410520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe68852823c8d0096f8a43a6fa6c8af57346fbd979b15cc2d4188c0ae9eead34e. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), 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/USV291420947.
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