Walka
type: MusicGroup
description: Walka (lit. Struggle) was a Polish-language newspaper published from Tel Aviv by the Communist Party of Israel between 1958 and 1965. Its editor-in-chief was Adolf Berman.CEOOL Jewish Quarterly, Issue
popularity: 2
followers: 230
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additional property: OTSVerifyInstructions
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  value: 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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f78004399470cc016d1468d6608c6f7ddf78083db215a55501a634ceba3f937. Chain 2 (Bitcoin): anchored in block 954031 (2026-06-17T01:43:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3a6ced5c-06ea-42e6-86c1-1611f93f512b.json and https://artists.proofprofile.net/proofs/artist/3a6ced5c-06ea-42e6-86c1-1611f93f512b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T01:43:23Z
album: Un Nuevo Día
  type: MusicAlbum
  date published: 2013
album: Divine Oscillations Remixed
  type: MusicAlbum
  date published: 2013-08-05
album: Feel Something (feat. Tommie Cotton)
  type: MusicAlbum
  date published: 2014-05-09
album: Want You - EP
  type: MusicAlbum
  date published: 2015-03-27
album: Want You - EP
  type: MusicAlbum
  date published: 2015-03-30
album: Want You - EP
  type: MusicAlbum
  date published: 2015-03-30
track: Más Allá de la Ventana
track: Abya Yala

Más Allá de la Ventana
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duration: PT3M39S
duration ms: 219831
explicit: false
by artist: Aterciopelados
by artist: Vozterra
by artist: Walka
in album: Más Allá de la Ventana
  type: MusicAlbum
  date published: 2020-12-04
isrc code: QZNJW2080257
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45a99d62ee4b24f2960ceb72da174117042e86ebb3bb00b0e2fa80df86b3762b. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QZNJW2080257.
  date published: 2026-07-06T07:16:32Z
audio: Más Allá de la Ventana
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Abya Yala
type: MusicRecording
duration: PT3M43S
duration ms: 223895
explicit: false
by artist: David Kawooq
by artist: Walka
in album: Abre Sierra, Renace Bakatá
  type: MusicAlbum
  date published: 2023-10-09
isrc code: UKXN22297010
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0db1ad712431dc5275dfa61e0c1d34487805535ffa59dca6b2928c27d0c5db5. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/UKXN22297010.
  date published: 2026-07-07T14:50:41Z
audio: Abya Yala
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