OpenTechnical

OT-2026-000085852

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, sustained blow-off before 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-2026-000085852) never changes.

Identity and time

Publication numberOT-2026-000085852 · never reused
Internal UUID01a0ae99-e829-76c9-9d98-8166b854ca6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085852
StatusPUBLIC

Content hashes

Canonical texte9d64c8b62edd59f321527a9484a529114b9e599a3477e211d87177e56d18365
Markdown8f1df29db74b4f7f96ff73531e101acc0231a4aa409b251a4c9c828334cfc3f3
PDF
Publication page76fa144e4c0d0a21be9978d1d841a606fb84f453b6b10fd5c64d4a1c070c6719
Manifest1205366e0f5678002729ad9db9c87accfa0890b296763bbea09340183e4b5b8b

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
SignaturejV/1y3GXMHCfmcWfN1c+e6ZqGnZBkxDx0ydK2tOKN1nsNz4L/ng4v42EoeJKc5D7wxCbMN040g5o3IsXN1THBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:46.758901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085852
observed 76fa144e4c0d0a21be9978d1d841a606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.740554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085852/manifest.json
observed 1205366e0f5678002729ad9db9c87acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.721827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085852/publication.md
observed 8f1df29db74b4f7f96ff73531e101acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.706033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085852/publication.txt
observed e9d64c8b62edd59f321527a9484a5291...
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.