Marek Michał Grechuta (10 December 1945 – 9 October 2006) was a Polish singer, songwriter, composer, and lyricist. Early life Grechuta was born on 10 December 1945 in Zamość, Poland. He studied archi
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 0xc032c636c41feda32b38058cd033a51c9ee0d18f452318f48e318cd2f969f26b. 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/dcb7eb70-8876-4fba-b2de-3172dc657338.json and https://artists.proofprofile.net/proofs/artist/dcb7eb70-8876-4fba-b2de-3172dc657338.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 0xeaa33f695f6c72691b4b0bd78028d7cd06568b8c2d87f48fc4b585f6ee0ead66. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/PLA246912854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x686540af4e2b6b2098617a7439ffb1423a474f020386f8a24a78cae6e7afea50. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/PLA247216470.
Ocalic od zapomnienia - Golden Greats Hits
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe589d2638606510b0e521afcde436006628b71e928e915d1853133d1991b82b9. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/PLA247114831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b03b5c24276fab81a433bfaa10c4a8bb575d0be09fb90530d17e2e897c43542. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), 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/PLA247114832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefc14aa3a808aa581fb97a9948301c8fb6ba8f5f1b7b993244f7fdc10b2cc93d. 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/PLA247114835.
40 Best Polish Songs from 1950s, 1960s, 1970s and 1980s
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c1685c9fb97938e5977e043c60f9968374e75a556b7d13383ba37144cfa4609. Chain 2 (Bitcoin): anchored in block 957531 (2026-07-11T06:55:18Z), 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/PLA241100945.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1fbeeb6cd029f85b7a6c668d1fa506405d59aec04fdf7ac59c0fbb95b18ab90. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/PLA247216466.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b03b5c24276fab81a433bfaa10c4a8bb575d0be09fb90530d17e2e897c43542. 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/PLA247114832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b8942e682a2b3e0b18b21dae50f11f8e82758c2c63b27e384c9b34674a95500. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/PLA247114839.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd56008e9cd4490b7541fd3a2e1bf0f8faa308c32ce015cca47d3a874446a6dd0. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/PLA247216472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe578f4f90d444f98371e6a8378a54765f277bf5a930a8ea6232e08f9de8c88ca. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/PLA247216473.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x972fa78081dea055b25f2c89c7b89a67ab576a5b4a201de73133f21f28faadab. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-15T21:23:21Z), 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/PLA247216467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae26a9b394fb2c096b8ee2f0f7d45b74f811fe561c067295d5619b936c3887e6. Chain 2 (Bitcoin): anchored in block 957535 (2026-07-11T07:11:01Z), 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/PLA247216471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94ee0a48bb31f033e3130ee21b80e71b1159194fa0b8cf6ae903000883989420. 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/PLA247418161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbba4d66ca9356ce8fc0ef2b9c6bb4a35fc939774a740616dd6665f2f6c560f4b. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/PLA247418160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab71d1e78530ef8c828220a91f6c6e4c2132a74bf28c314a9940fcd59b8d67a9. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/PLA247418166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68654a9018aa9c31ca7289d931d62639cd611dfb52bf74fb071fdf99b79c4a63. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/PLA247418159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3dccb99581090c295b944e24d5b31ff1d335a6e65e1f4962fd9ff52cb7b8611. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/PLA248830862.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x768419990d97a654f5a13621bf92232bd38ed375837c6b4a15c54d4bcc106f7c. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/PLA248830863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80ecac65c2d60cc78fa54f0067da9c6aee4d31f1bc0354da48a58271407af21b. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/PLA248830865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8af475ea46fe753a83b1e3717cbc9473191f873a242b53c1c62767e9763f8ce. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/PLA248830866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93fdab529657ed6fb79fd7df29222c440493ec7305bb7a424d24fa6f5b02ae7f. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/PLA248830867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e159930fc34f2121ef1cfbdc046a6960cfd6f31e791212dbee2a23c3b279d1c. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-16T21:55:37Z), 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/PLA248830868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91f5ff24ca1a0a930d9d13c223681e217a1ae6b819892a85f7bbd2ffff073d62. 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/PLA248830869.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b36816bbebd8b2c60b5fd5ce3a1bb3cbbb7b4fee6f3b42cd3392225ece1d110. 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/PLA248830871.
Bedziesz Moja Pania - Tylko Polskie Piosenki
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69f4b423bd4f0e24ae43b19f3850449bf4ba2d852c1aca54be7c01c24c391ab7. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/PLA246912855.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbabe131102d96ea10fe184cd9ebc0e0d9d10a122e1c1c8a9dfff72c37be9ebd0. 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/PLA241000176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c1685c9fb97938e5977e043c60f9968374e75a556b7d13383ba37144cfa4609. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/PLA241100945.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7562819ae42b192e565558b5b11a951028118b78be18b32c1b3064ffb8b1638. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), 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/PLA247013492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8bf95df5071652746eae93b678045cdd6463c1a158cfcaeb3eaa3533b48256d. 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/PLA248627952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x624bbd64b5870ee835ebf815b668144feaf59f53efeecf78a009cf1fe982a313. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/PLA247013497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad92e44ca3cf9075ac70e18e01e36efcc20a7befd996aa26b9882c91888e6222. Chain 2 (Bitcoin): anchored in block 958708 (2026-07-19T09:08:25Z), 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/PLA247013493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec0ebb77236b03ab85109d63935bb2a0661100a3147bf2dcb10540815683e20d. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/PLA247216468.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1fbeeb6cd029f85b7a6c668d1fa506405d59aec04fdf7ac59c0fbb95b18ab90. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T21:20:45Z), 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/PLA247216466.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x384b9434400c6f248683c0baf335cbd67717e5ad172d4099134569d44f1d3288. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/PLA247013496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaa33f695f6c72691b4b0bd78028d7cd06568b8c2d87f48fc4b585f6ee0ead66. 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/PLA246912854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe578f4f90d444f98371e6a8378a54765f277bf5a930a8ea6232e08f9de8c88ca. 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/PLA247216473.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae26a9b394fb2c096b8ee2f0f7d45b74f811fe561c067295d5619b936c3887e6. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/PLA247216471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x972fa78081dea055b25f2c89c7b89a67ab576a5b4a201de73133f21f28faadab. Chain 2 (Bitcoin): anchored in block 958662 (2026-07-19T04:43:15Z), 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/PLA247216467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a4c604ece24c09aa6cb3bdf401698775156c9c3593c907c72b164b1c8f86ec7. 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/PLA391478401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cf9a7f7564120c562b146b247ac9883e872df8065c047a537fceb32c0579b41. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T09:47:57Z), 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/PLA391478402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0724e1b8a3e1e602c166f227c9d360f650fdd104f290e079a7d62244cbc98509. 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/PLA391478403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15b2ead6cc0540c03b9dd7dd590090e1f5b3a47b0a0bf9c449d06f0c319249fb. 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/PLA391478404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a6dc76ddacae82e7f3f3da54bae10fae8c7da53d0477cde7bc6910d98e34cf6. Chain 2 (Bitcoin): anchored in block 958051 (2026-07-14T19:14:42Z), 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/PLA391478406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59d712855d629697fba25794d83440b94f7ac7bc7648476ce258e9c2116e968d. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/PLA391478408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd341d982a4a21743f46d2ad52fcae70bf78919a0cd20fdf5bad4f46561943942. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/PLA247013490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84e3880ae761642dff5f4d14efd25979fce644dae14bbcea231550274f9148e7. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/PLA246912853.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x885bcbddba7fff043dc6edc98cd09d8663e0951ad7d1e174cc845a17d886183e. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/PLA247013495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36f344d9a25d09424e0f3acd2cee6b57a129f91f5311f755c9bf1d1a476739e6. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/PLA391488506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda325f48d88f4f8490213f999194e713e3b2e42dda3db730d6a49a535be218bf. 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/PLA391488515.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f3a73abcf72359881dba8dfb19caeb5cb0ed4513c2418d94c5ed2034c72c475. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/PLA247114836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c34f20c928471498ce81ddfbc460f1d0f733a476505e0e692a6dc683f618cc2. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/PLA391479212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f3a73abcf72359881dba8dfb19caeb5cb0ed4513c2418d94c5ed2034c72c475. 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/PLA247114836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc734a0ca85cbf35f46afc80bb8a973f3b4ed6c504707807a0875c5fd343f070c. 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/PLA391591910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a19c966d2a694eda09ae1850c2db8f16c44a2fb2b6f348857b082e845a93822. 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/PLA391592302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36f344d9a25d09424e0f3acd2cee6b57a129f91f5311f755c9bf1d1a476739e6. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/PLA391488506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda325f48d88f4f8490213f999194e713e3b2e42dda3db730d6a49a535be218bf. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/PLA391488515.