Birdskulls
type: MusicGroup
genre: post-grunge
popularity: 2
followers: 956
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9aaa21a28995d8e96857fb407a8b3f9c6b45ec89a15ebbc91a248168144762da
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953936
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953936
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/201e3236-4757-4fd4-8243-5afe7ae2a428.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/201e3236-4757-4fd4-8243-5afe7ae2a428.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/201e3236-4757-4fd4-8243-5afe7ae2a428
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T11:24:55Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aaa21a28995d8e96857fb407a8b3f9c6b45ec89a15ebbc91a248168144762da. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/201e3236-4757-4fd4-8243-5afe7ae2a428.json and https://artists.proofprofile.net/proofs/artist/201e3236-4757-4fd4-8243-5afe7ae2a428.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
album: Mispresume / Rolling Tongue
  type: MusicAlbum
  date published: 2012-12-17
album: Mispresume / Rolling Tongue
  type: MusicAlbum
  date published: 2012-12-17
album: Bloody Knees / Birdskulls Split
  type: MusicAlbum
  date published: 2014-02-24
album: Bloody Knees / Birdskulls Split
  type: MusicAlbum
  date published: 2014-02-24
album: Trickle
  type: MusicAlbum
  date published: 2015-09-28
album: Over It
  type: MusicAlbum
  date published: 2017-07-14
album: Over It
  type: MusicAlbum
  date published: 2017-07-14
album: Promises
  type: MusicAlbum
  date published: 2018-01-12
album: Promises
  type: MusicAlbum
  date published: 2018-01-12
album: S / T
  type: MusicAlbum
  date published: 2018-03-02
album: S / T
  type: MusicAlbum
  date published: 2018-03-02
album: Away Days
  type: MusicAlbum
  date published: 2019-08-16