Mondaine
type: MusicGroup
description: thumbnail|right|200px|Mondaine Watch model 30008 thumbnail|right|200px|Mondaine Clock model 30335 Mondaine Watch Ltd. is a Swiss watch brand founded in Pfäffikon, Schwyz by Erwin Bernheim in 1967. In
popularity: 11
followers: 137
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9da8d315e47208be77e59d26fc877dce56dfc44eeeda3a5006544d2d20e60b9c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953777
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953777
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ce9a41a8-dfb0-434d-8343-31f65eb6e45c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ce9a41a8-dfb0-434d-8343-31f65eb6e45c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ce9a41a8-dfb0-434d-8343-31f65eb6e45c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T11:52:51Z
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 0x9da8d315e47208be77e59d26fc877dce56dfc44eeeda3a5006544d2d20e60b9c. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ce9a41a8-dfb0-434d-8343-31f65eb6e45c.json and https://artists.proofprofile.net/proofs/artist/ce9a41a8-dfb0-434d-8343-31f65eb6e45c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
album: Nothing but time
  type: MusicAlbum
  date published: 2021-07-21
track: Past Eventide

Past Eventide
type: MusicRecording
duration: PT2M33S
duration ms: 153846
explicit: false
by artist: Blocktane
by artist: kairos
by artist: Mondaine
in album: Past Eventide
  type: MusicAlbum
  date published: 2022-09-14
isrc code: US3DF2299091
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T00:27:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa8d5e9e0fe27fedd357653c3c282a84902fa1c7fbdb4129494332d9bdc649117
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2299091
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10+00:00
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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953528
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T15:41:10+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8d5e9e0fe27fedd357653c3c282a84902fa1c7fbdb4129494332d9bdc649117. 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/US3DF2299091.
  date published: 2026-06-13T17:25:41Z
audio: Past Eventide
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.062
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.551
  additional property: Energy
    type: PropertyValue
    value: 0.081
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.935
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.94
  additional property: Liveness
    type: PropertyValue
    value: 0.085
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.066
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.697
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major