1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xc73fc26125625787215dc47c9c37b08363f7696a3b770eb1e9f4fe2b7a459ff5. 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/e7a6299c-2c66-438b-80a1-1fbf67b1b05f.json and https://artists.proofprofile.net/proofs/artist/e7a6299c-2c66-438b-80a1-1fbf67b1b05f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dick Mahi and his Hawaiian Paradise Orchestra
Yacka Hula Hickey Dula from "Robinson Crusoe Jr."
{"copyright_id":"0xa764a8cf29ce1d27f70e97fb2f28a3d5c29275e68d323be7e5dfa3aea35606cb","isrc":"USRDG0310584","name":"Mana Maui","registered_at":"2026-06-24T16:09:41Z","spotify_id":"00vRZbwTpo3lL6VsPSx13T","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa764a8cf29ce1d27f70e97fb2f28a3d5c29275e68d323be7e5dfa3aea35606cb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/00vRZbwTpo3lL6VsPSx13T.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/00vRZbwTpo3lL6VsPSx13T.
{"copyright_id":"0x0a7cd28faaeaee7cd899519001ed1984bf5ea0d63f05202fe716824f383dc720","isrc":"USRDG0225939","name":"Tangi Tahiti","registered_at":"2026-06-22T04:12:01Z","spotify_id":"2XNcMg9RpS8oQ4X1pvnUWf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a7cd28faaeaee7cd899519001ed1984bf5ea0d63f05202fe716824f383dc720. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2XNcMg9RpS8oQ4X1pvnUWf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2XNcMg9RpS8oQ4X1pvnUWf.
Medley: pe tuledo / Giuvanne cu a chitarra
Medley: calipso a fil di voce / Piccolissima serenata
Es Wollt ein Jägerlein Jagen - German Hunting Songs
Alpenhorn mit Kuhreigen - Music from the Swiss Mountains
Valentine, Rue Pigale, Sous les Ponts de Paris - Songs of France
Ein Tiroler Wollte Jagen - German Hunting Songs
Jetzt Wei Mer Eis Jödele - Music from the Swiss Mountains
Der Jäger Abschied - German Hunting Songs
St. Galler Schüblig - Music from the Swiss Mountains
Jägerchor aus der Oper "Der Freishutz" - German Hunting Songs
Oh Teddy Bär - Music from the Swiss Mountains
Hört ihr Nicht die Hörnlein Blasen - German Hunting Songs
Feurige Herzen - Music from the Swiss Mountains
Ah, le Petit Vin Blanc - Songs of France
Auf auf Zum Fröhlichen Jagen - German Hunting Songs
S'Brienzer Burli - Music from the Swiss Mountains
Es Blies ein Jäger Wohl in Sein Horn - German Hunting Songs
Min Vatter Isch en Appenzäller - Music from the Swiss Mountains
{"copyright_id":"0xcd23c2c23365c536518ab87e76ae55904ca126affc6c44366eba02f252a02fdf","isrc":"US89R0692228","name":"Min Vatter Isch en Appenzäller - Music from the Swiss Mountains","registered_at":"2026-06-19T14:47:50Z","spotify_id":"30S1JhODjJujjFb4H6h9v8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd23c2c23365c536518ab87e76ae55904ca126affc6c44366eba02f252a02fdf. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/30S1JhODjJujjFb4H6h9v8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/30S1JhODjJujjFb4H6h9v8.
Der Jäger in dem Grünen Wald - German Hunting Songs
Ski Party Yodel - Music from the Swiss Mountains
{"copyright_id":"0xff594c4e66eead77119955e72175757927e1410c9d555c0461f649729d6b1f7a","isrc":"US89R0692229","name":"Ski Party Yodel - Music from the Swiss Mountains","registered_at":"2026-06-23T10:49:19Z","spotify_id":"1pmzsVqY9hYzKvcGXkekRX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff594c4e66eead77119955e72175757927e1410c9d555c0461f649729d6b1f7a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1pmzsVqY9hYzKvcGXkekRX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1pmzsVqY9hYzKvcGXkekRX.
Der Jäger Längs dem Weiner Ging - German Hunting Songs
Alpengross - Music from the Swiss Mountains
Der Jäger aus Kurpfalz - German Hunting Songs
Dört Ännet Am Bärgli Im Trueb - Music from the Swiss Mountains
Es Ritt ein Jäger Wohlgemut - German Hunting Songs
Us Em Bluemete Trögli - Music from the Swiss Mountains
Frühmorgens Wenn das Jagdhorn Schallt - German Hunting Songs
Bünder Jodel - Music from the Swiss Mountains
{"copyright_id":"0x4878ddc58f3d8e5022ea5aa34cacf83c405eaecdff57051900bf2b3562c934ea","isrc":"US89R0692233","name":"Bünder Jodel - Music from the Swiss Mountains","registered_at":"2026-06-25T08:47:38Z","spotify_id":"6RSjXk9q4gVM82pP8Pz9Ii","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4878ddc58f3d8e5022ea5aa34cacf83c405eaecdff57051900bf2b3562c934ea. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6RSjXk9q4gVM82pP8Pz9Ii.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6RSjXk9q4gVM82pP8Pz9Ii.
Es Wollt ein Jäger Jagen - German Hunting Songs
Grüsse from Bündnerland - Music from the Swiss Mountains
Im Wald und auf der Heide - German Hunting Songs
Wenn's Abigglöggi Lütet - Music from the Swiss Mountains
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4483b7eedb2d1b4817141f0675156e774e2a2c5439dfcf2c517006a19e03ca07. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3eSBO1dlEmjBFrI9aWXDpy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3eSBO1dlEmjBFrI9aWXDpy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa0868da499365ca0f42a11ec5ba74732785b11d63f73aa43851c6c97e851a64. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/48JGyGUkh2PnPGRImnAko0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/48JGyGUkh2PnPGRImnAko0.
{"copyright_id":"0xeadefbe3086f9cf56bd12a53da8215d4874f08b6655d898eb828ffef431213b6","isrc":"US89R0690015","name":"A Nation Once Again","registered_at":"2026-06-09T09:21:11Z","spotify_id":"3LHvvXr7D1ufYGLNk04CpP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeadefbe3086f9cf56bd12a53da8215d4874f08b6655d898eb828ffef431213b6. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3LHvvXr7D1ufYGLNk04CpP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3LHvvXr7D1ufYGLNk04CpP.
{"copyright_id":"0x4a66e2adb3927b17314ec7ffab53b461cc823348eeccc0c4a0ed52dd0264b1c0","isrc":"US89R0691449","name":"Whiskey In The Jar","registered_at":"2026-06-09T09:18:35Z","spotify_id":"5r92gtsBx8YOHGuN97mrY9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a66e2adb3927b17314ec7ffab53b461cc823348eeccc0c4a0ed52dd0264b1c0. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5r92gtsBx8YOHGuN97mrY9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5r92gtsBx8YOHGuN97mrY9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b486edc694faf4d73ff635f5746674beb607044f982e3cf0453fe9d35c0ed8c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Edwgy1lEWMOT5odakUD4y.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Edwgy1lEWMOT5odakUD4y.
{"copyright_id":"0x5bab5ea882b8f6d87facae8023a9dbd82df1d675d279196b8e30aed23fd8457e","isrc":"US89R0690524","name":"Holy Ground","registered_at":"2026-06-09T09:19:59Z","spotify_id":"1OSnzqXwCqgoBeHegen2Xn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bab5ea882b8f6d87facae8023a9dbd82df1d675d279196b8e30aed23fd8457e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1OSnzqXwCqgoBeHegen2Xn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1OSnzqXwCqgoBeHegen2Xn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf99f54298e2cd8ef4486e5ed454b0373bd3b221aa2879c4c10758f4e683998e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6LEAwSC0FwluQX3GwdbCyu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6LEAwSC0FwluQX3GwdbCyu.
{"copyright_id":"0xbc3c3a40e7b3c317a93a6f7e406245f0355ac4c824c08cc43fded2649d2f45b1","isrc":"US89R0690960","name":"Paddy On The Railway","registered_at":"2026-06-09T09:28:57Z","spotify_id":"1rrZGF1hFshI3zJ5rKqKr1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc3c3a40e7b3c317a93a6f7e406245f0355ac4c824c08cc43fded2649d2f45b1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1rrZGF1hFshI3zJ5rKqKr1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1rrZGF1hFshI3zJ5rKqKr1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ece076a91d60dffc5eb633a74e4e6a8797021d0b486024b9e1a96940f515b1b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5VSWO4RXDmIkFYd6A4ylgr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5VSWO4RXDmIkFYd6A4ylgr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f63adca2520f348b385cd48e53e17931a2d7d78497b7df312006ad5d59c2595. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1sYBTLqP1oy4fimhbplzbe.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1sYBTLqP1oy4fimhbplzbe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x576c636e8d016485dabe504b10391096eb2b7a29d8b2cdcf7d8df97ba2833568. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2vw4XPglJk0T34KYSHW7RA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2vw4XPglJk0T34KYSHW7RA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20b71a8a41cf49daf1e5755b5414010062fd0c366ab9de814c0221b6b84e52f8. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2WVTCZ5Hf0J3fsdUCR0sKT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2WVTCZ5Hf0J3fsdUCR0sKT.
{"copyright_id":"0x70fe93fd1ea95edba33326dc93f362f49f68ecd29e9ba32ef1bc5f4391d6105c","isrc":"US89R0691175","name":"Spanish Lady","registered_at":"2026-06-09T19:08:36Z","spotify_id":"1XEG0OQakmipgml2Cv6q5i","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70fe93fd1ea95edba33326dc93f362f49f68ecd29e9ba32ef1bc5f4391d6105c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1XEG0OQakmipgml2Cv6q5i.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1XEG0OQakmipgml2Cv6q5i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88e1362da444201f293d6e8dc21e6d1073e07b672e7412034458d232ca9754c1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6oTdx0ARlxsFPS3GmOmTOL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6oTdx0ARlxsFPS3GmOmTOL.
{"copyright_id":"0x4da928c32972e5e90b3bff8d63d7629cc6556b5cea2a8e674bdbaf7522bf2b95","isrc":"US89R0690499","name":"Henry My Son","registered_at":"2026-06-09T19:07:08Z","spotify_id":"02YiUFT8ZhNHDhGHc4dSmO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4da928c32972e5e90b3bff8d63d7629cc6556b5cea2a8e674bdbaf7522bf2b95. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/02YiUFT8ZhNHDhGHc4dSmO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/02YiUFT8ZhNHDhGHc4dSmO.
{"copyright_id":"0x4ff77d0466eec32b3de6c3c5399770d0cf8c47d5c733870fe614e118cf9eba2a","isrc":"US89R0690173","name":"Bog Down In The Valley-O","registered_at":"2026-06-07T21:06:00Z","spotify_id":"2ZqK1xHlQBKLDb3pK5g43X","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ff77d0466eec32b3de6c3c5399770d0cf8c47d5c733870fe614e118cf9eba2a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ZqK1xHlQBKLDb3pK5g43X.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ZqK1xHlQBKLDb3pK5g43X.
{"copyright_id":"0xea88184fa7ac22e4d35035bfa2af0ddf7b6edffa02199c285594c295eea3229d","isrc":"US89R0690971","name":"Peggy Gordon","registered_at":"2026-06-10T01:07:34Z","spotify_id":"0b2tpxhNVbWPZTh55bVAmV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea88184fa7ac22e4d35035bfa2af0ddf7b6edffa02199c285594c295eea3229d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0b2tpxhNVbWPZTh55bVAmV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0b2tpxhNVbWPZTh55bVAmV.
{"copyright_id":"0x5a983d72017e45f0b2e0fd08a53fce5f118ee76b1a9f65b537956bd98f13a27c","isrc":"US89R0690376","name":"Finnegans Wake","registered_at":"2026-06-09T19:04:47Z","spotify_id":"0RpPMpgL4GZTspWeByDKxR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a983d72017e45f0b2e0fd08a53fce5f118ee76b1a9f65b537956bd98f13a27c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0RpPMpgL4GZTspWeByDKxR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0RpPMpgL4GZTspWeByDKxR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcbf912836a205baf66227578949b46bb868d5c66167fee65b81a7b66fc145ef. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6SIg7zt9v0Gg7qxizad2Xa.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6SIg7zt9v0Gg7qxizad2Xa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05af72093b4817ca5393af1097128f3c868825569cd3dbe044339092fa29320e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/29z3zfgH3OeEpIK2fS2wq1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/29z3zfgH3OeEpIK2fS2wq1.
Valentine, Rue Pigale, Sous Le Ponts De Paris