Matanza or Mattanza may refer to: Massacres La Matanza, the 1932 communist-indigenous rebellion in El Salvador La Matanza (1910–1920), a period of anti-Mexican violence in Texas, U.S. Second Mafia
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 0x47213cd3cb4b225d0cfad3901f89c8552a32e74b8312dcab875ceb1a611ff62a. 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/9ee6f0bb-5738-40c7-90bd-bebd8ecdaf2a.json and https://artists.proofprofile.net/proofs/artist/9ee6f0bb-5738-40c7-90bd-bebd8ecdaf2a.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 0x7e804041108281c792c2088687af87848458f45f379dc915599f0c67652cc1ed. Chain 2 (Bitcoin): anchored in block 957632 (2026-07-12T00:10:15Z), 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/BRDEP0100010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc60628573d06885f385c1d114ca5fd0ff7e94550907d99d0b70ffabf4687f10. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/BRDEP0400648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc270279ea2acf334e7afa5a8329b1fe0852eb7d9f15f399a6b506bffd21bc654. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/BRDEP0400649.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d110d36b5933406a801292237a90ae257563d1f68109d641d039613f4c305e8. 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/BRDEP0400650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86da45eb1b77af402bb6702a26604786007f7d0259839d715acf5af303bed693. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/BRDEP0400651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4094442feeb57a1cb1da3e462db000bf1f27a0d066690fe1e93980b8967a33e. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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/BRDEP0400652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4bbb026370345fca0434591d9ee199585b2f631e62f7cb22292a24c5a22ebac. 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/BRDEP0400653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdff2f86338e49c907b4ddbebdbf05ac3edcfc3bd0f4326f31539fd3961666029. 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/BRDEP0400654.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78ce285809af3778fa72ceb16de76696138f63879ab2f6ff7c518b475e6c5cd6. Chain 2 (Bitcoin): anchored in block 958682 (2026-07-19T06:17:12Z), 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/BRDEP0400655.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d6f7c94c3e50f776bbd86f741ccb2f9e1b7ad9b0ddef05524f7d3f135c047df. 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/BRDEP0400656.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x296e705d8d357ecaf1b4f385565f9d78c40970c9c72df34bdc45212f27f92b1e. 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/BRDEP0400657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x337786ddcfa86ad2d1d643cf10f173ab8b5777e97711e3732af4d7f9f97d923e. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/BRDEP0400658.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29561b659c09c0b4335ee9f4e2080a01c5d42c99d324d754e80de0d78fecaf7e. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T19:48:03Z), 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/BRDEP0400659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b977f09d7910ae172cde77c340b50a69cfee17e4b7ac3a65e9e6f1a5d32e5e6. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/BRDEP0400660.
Mtv Apresenta Matanza - o Bom, Velho e Fedorento (ao Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x624d6af9a5527a491258262d9a63c978752f158a4a31556aa968c11b82f34932. 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/BRDEP0800031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66f811629363bf4874a07097437ecc8b45193cdf803de8803574cb6bb55aff52. Chain 2 (Bitcoin): anchored in block 957629 (2026-07-11T23:44:46Z), 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/BRDEP0800027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x400ff9d7d88d5bbb868d14f8d1f0638cd748e508db77368312456d1be6934e9f. Chain 2 (Bitcoin): anchored in block 957622 (2026-07-11T22:55:42Z), 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/BRDEP0800035.
Estamos Todos Bêbados / Interceptor V-6 - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec3cf6ae496e138e73daa8677b4b62308b5d60df7f76cb1a6f739ba1474a2c65. Chain 2 (Bitcoin): anchored in block 957622 (2026-07-11T22:55:42Z), 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/BRDEP0800038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf34700161fc200d77af0aff324dcd646c148829bd3190d21c02c5f40d1aea6c3. 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/BRDEP1200496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x140f78af2b1fad3e8ebd74a76691ca42c964e75bc8224e4180f5249f81f00afe. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/BRDEP1200506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe379e5aefd9bab7748db3c6bebe7e40a2b0b5512fdf5f8cfc8196faaff36d15. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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/BRDEP1200497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd288edc3ae3f400b0cb852e65e50877f0ef5c63ef94d0a9e8d1bc3dd2bd7b0f3. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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/BRDEP1200507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd315ed0b7759941be0a00017fea120e31490e4d6a07330e0afcfa3150e87f0b2. 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/BRDEP1200503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d368da793738e0f84546000f4bde0f93e1bfef011fe51da54e6397bceecda08. 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/BRDEP1200498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb64781edc29d7a46cf6d5cfe6e79f2749047aee2182b912689fddd32e48e56e6. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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/BRDEP1200501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd34a9c60e0d9e95126497c7daa8afba67a8bfa4710116bd02e1767269a34f5bb. 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/BRDEP1200500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76199156985ac97cd50e550479cd2e346bd00b4ed388e9afa61e99d09d4e2940. 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/BRDEP1200505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2999c487b784922f7898f1a6aa1f2f1840a29426f24b46a9d3b6f3d96785a83. Chain 2 (Bitcoin): anchored in block 957638 (2026-07-12T01:56:41Z), 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/BRDEP0600431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20cacbb7591d5fb39e1e058ef76ca0b3555b11df75135efc5f753d6d026b3e4a. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/BRDEP1100007.
MTV Apresenta Matanza: O Bom, Velho e Fedorento (Ao Vivo no Hangar 110)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4c4945d7d985ee648741d13502576d3f70ea353a20dab56989404b080e11993. 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/BRDEP1600251.
Na Lama do Dia Seguinte / Santanico (2017)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80193555ad66a81038bbc610373d234f43f9b6ca2429ed421dbbad9bd33a770f. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/BRDEP0100003.
Assim Assado - Tributo Ao Secos e Molhados
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8b6dda91d2f990a302e727587e328d639b88290a4e6f4b16481ad3bcd5cbec7. 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/BRDEP0300312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80193555ad66a81038bbc610373d234f43f9b6ca2429ed421dbbad9bd33a770f. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/BRDEP0100003.