REDIRECT Daniel Gardner (disambiguation)
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 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 0x007a39137e0d8bd1c022531302a61b6995749eabf3ed63f20267228f0de3a128. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/42e770ab-b165-480e-91aa-64efe415d614.json and https://artists.proofprofile.net/proofs/artist/42e770ab-b165-480e-91aa-64efe415d614.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 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 0x80ea0fe63c386664ea34ad8ef1dd4f2ad6a0eb80218b2185bdce9d9aa1ba6b8a. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/US25L0700778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ff918dfb7f18356729954550998af76f87ccf9fb1add5309274350bcc879368. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/US25L0700779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcec28eec78ca92b893edc972766029551f5c85c1e2923efc1e3eb2e6b7574a33. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/US25L0700780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3c93a3130b8ddab281c2377cf854df47c959c31ac91142af25d029cccc57ae2. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/US25L0700782.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x535130e7259237dc6aeb8600465775a71c7ff19991c676e3da47eb6392cfc636. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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/US25L0700783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0820ada26bb79e3e2d7c6e49e7b1cb9a253e517f53d83333c2fa2c3be2a4fd8e. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/US25L0700784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63b1ab18512e4e09271c0edd1cd05ec6b647e23be06d986c8b73c0dcce038587. 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/US25L0700785.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x835dc16b702b9a657f78e91eac19a7aacb106d1f8eb1adb1054178fa81f86965. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/US25L0700787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd41d954eecf52d4e5fa71d4ace1d7ce30214e0901c97c430a44b9e207cfc6f56. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/US25L0700791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x923d8877b744c1c5bb356255ff85ea1fc99869e567863180442ad1301c0807cc. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-21T21:34:21Z), 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/US25L0700792.
The Best Of Hosanna! Music: Celebrating 10 Years
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68925dd6be78ee0c489415e7339193cbcae9a5a2498cce00981ed6cc7f636998. 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/US25L0700788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96c22dbfcac55472e266fad8802297f3f47965b8e728a02bb8c0d0160d10174c. 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/US25L0700790.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96c22dbfcac55472e266fad8802297f3f47965b8e728a02bb8c0d0160d10174c. Chain 2 (Bitcoin): anchored in block 957011 (2026-07-07T08:25:35Z), 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/US25L0700790.