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 0x7e6ffc893a408d9e1dbf548b41e0ba0fdf13a1ce34ab58a78e9c5dc22457f3c4. 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/c725a378-defe-49b3-9b2f-0728c5cb5d8a.json and https://artists.proofprofile.net/proofs/artist/c725a378-defe-49b3-9b2f-0728c5cb5d8a.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 0xde112c6a7ade26f35c3ee54aee44269f64a35d9493dd2e7aab97c0e4c5b9c439. 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/HUA611903235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x492cd6799763b343ce5d111d2d5aad65827fb08bfc8ffcee3cb351d0a1f69998. 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/HUB001500114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc781ff5055b8154cbdbafa02a72d932660cb43336bf5660cf7c3492a0c72dcbd. 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/HUA612303992.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03ef9502ea5875b3210c0ec0c48d77a251ab26b1dd4b42729e527e31d360a52f. 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/HUA612303920.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78aa257ea41c6bfcdaa8b424bec54787d86165d88ed362e76ec6fcbc83fc61ab. 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/HUA612303919.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5e46df16e2372f2b2ffaf134dc040f03a8fcf388a7d4af679618d7262baa04d. 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/HUA612303685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb67e5de7015377d5c4f11230631e78135553968160b62443d85910ffcc8edd18. 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/HUA612300094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x151bb6972ba13f3f01b3909d3cf05f16c67a612e1d8efe456de38c6dc6e6b1bb. 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/HUA612300095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c927cc8f6fea9c99385fba67665efc44ba26f8cc452526296bf492262ba65fb. 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/HUA612203076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40619cb3f9353a56567d81c329e6ea19d217dee6fc91306bead2c4253083b041. 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/HUA612203079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4f1d21a7fa01a003220283e666360de647efe70aec1f63acd052b4d1c027c39. 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/HUA612201813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8a7021b930aaee88e1c5d5a972802c3a918c41674e726c52e454700ea582543. 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/HUA612201778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4e4ddda1544f5b99bc3230c2b7fdfde4f416b2dd683356812a33050bfb6f116. 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/HUA612201576.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b4ff660f22f13399b00ef96e66a70c1964e4d89044fb6f62089bced626ebe03. 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/HUA612201577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c4a68b1d154b8ad8188d487084203ebea3f7df6baf19cae688c25c88333d18c. 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/HUA612200005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x080a57252931713e2fafd0edaf14378c6790ee276b8e713bb45c30f0ba5aebed. 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/HUA612103534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4db02a3c55dfe4996c944101433e08f45bd02928de5b0711f2f3f412a9494716. 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/HUA612103305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2129c8288f541f66cb690db7f648cc515f979007383fb873e25ce6b79bf5375a. 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/HUA612103418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1879cf66a8b3bb58741c01fae8ce4562fcd7e3c969c010748c6a2dcac402e5dc. 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/HUA612102252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91a0259cf8dcc72d6f551005982d36b0cd3af8ef578e766c3b7d07d4821b503e. 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/HUA612102251.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd58d5a4a6bc1d3f4316c37262350de1d947cd132dae04b8303ec5226d0d182ec. 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/HUA612102025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x791d7e7ddb6763289f7b08cdce075e5d33346167be174c8d79ed0f2c86641689. 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/HUA612101995.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0d907f45776f3279d8e377f8a1391d21a053b93c035e0b2f73fe90ab07e07af. 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/HUA612022298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00ffb58fbda1f9f1b6c509a7800695aa66216d9ba329715db17460677025fe06. 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/HUA612022262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf6e8bf770d0b925371eb293dc2f50829a00f81625ebecff531ef260fe6c49fd. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T16:43:41Z), 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/HUA612022189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2f56064a8acc5796e808c2fe6131be50f9c4ea5e4d0b0451c9984f0848253bb. 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/HUA612022099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaf7a34a8a4dc6de7dbbedc26260ac085eec3be3785cae03526ea307ec063d63. 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/HUA612000082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda992bda478dc9b075d5818322341497ebc8556cdfb79d6cb5eb7a4626a2124d. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/HUA611903096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc43e7b262b52962013868b367b16c94ee9288260be1a5f2e5508489f6e5ad345. 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/HUA611902930.
Méri Poppinsz első tánca (Talált tárgyak)
Méri Poppinsz első tánca - Talált tárgyak
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba341c7aba2cd3a8657a89dc2e03da398dc269e74ce81ea7d078d9344d3f6ac0. 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/HUA611901963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd3b908b51de6c9839104838c9ef290d2fbd460e45f07907d81d5bd10a455d1a. 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/HUA611901717.
Virághajlam (Lakossági virágoztatás, dalfutár2)
Virághajlam - Lakossági virágoztatás, dalfutár2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa91c12e7e403ddbd6a594ab90e832521f264694ff71d1c0512677c85db95cdd. 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/HUA611901611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0afdf0220849b8129efd61c48bf83c8baee94179e2d36ef6be476f3f198b774. 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/HUA611901557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17696eadcb0c84ff84cdc325c3a6bd3331a7e08a326b878cb7b339af7646b022. 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/HUB001600129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc78bcf3bda3b74d89b900ffcba3fb3258026ade0c171380c6dc2eba7bcc3a8dc. 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/HUB001600128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed8d82c7012f2a79c6a3015c976975a6d31b9fde3cf5b1d2a5baba066bd2dbdb. 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/HUB001600126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0770aa43b61d54a73ac438c47b39b1f6a422e64562435c9e57694f0363b9756. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/HUB001600117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x373288c4b8c670068c83bc229c4366d3af54deb5d8f7a5d3cb048b65d0c61731. 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/HUB001500115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9bbd1c560c9857fa71909571e71fd559b3138a08dbc87cdc983dd0be1a7e817. 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/HUA612404617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad1ede53b62927b16703d15323e75dfbf0891cc10e13345ede69c81ecb206aab. 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/HUA612405466.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3773ef184959c237db1976ca197b9b387ab662e308c89ad9d38f9fb396d904c1. 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/HUA612405465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77002720318d8989b4d7b468963c7b943f7ac1ff9c13a0cea2151d1cf683bbce. 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/HUA612404392.