OpenTechnical

OT-2026-000061665

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000061665) never changes.

Identity and time

Publication numberOT-2026-000061665 · never reused
Internal UUID01a0ae8b-b8aa-71b2-a646-bfa6cd6c145b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061665
StatusPUBLIC

Content hashes

Canonical texte706b25a30740bca2d1f0cc0cadca8d9f3f4104644363daadde8c7dc95e5548a
Markdown844947b7f865376406317cf8ac9e87657a63ba4502eded844bcc92aea30c8d6b
PDF
Publication page3bb49209c67683033b2dee33bbf38891d92ea2d0c2646697fab01140968abeaf
Manifest9e4c257e8c42cecfcfa5e0d858911e91b96f91ecb9c0abab49f647721deaa452

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature8SBIao9r7zg5ddA0wlVCPDXblw7yoEi0JJ9xOoTb2iP4+y6eOO1LtQV17QsURh0eMDW/JO0vG/TRUtQd+2ayDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:12.861786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061665
observed 3bb49209c67683033b2dee33bbf38891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.838571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061665/manifest.json
observed 9e4c257e8c42cecfcfa5e0d858911e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.817457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061665/publication.md
observed 844947b7f865376406317cf8ac9e8765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.794701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061665/publication.txt
observed e706b25a30740bca2d1f0cc0cadca8d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.