OpenTechnical

OT-2026-000087795

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000087795) never changes.

Identity and time

Publication numberOT-2026-000087795 · never reused
Internal UUID01a0ae9b-1aa4-7f3e-9bdd-abbf42c9e17d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087795
StatusPUBLIC

Content hashes

Canonical texte5102964c924392debe98d5eb63205953f075c50a937457c7cb0d22f9a640985
Markdownb8a925b7bf97c7bec2e6ba92acdd05497ee7a99d484d2b072a00ad92baee5082
PDF
Publication page60e7235ca3329a587cc71da7deb71e6f43c4a4213a49602dc634b3e408b0c1b4
Manifeste8317c68fe41d03c58dbb89fe90edd741d0fb95aac31a2940da00eba4edd0e50

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
SignatureoUibgf77pm+dJ/D8c9kEZjERP9Y9WyOqp0lg/8Q5f/rCYciyc4usJ4B4gVjKcYcbtFbIYKyJ/Ge1oVrBIZQyDw==
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

2026-09-17T09:49:00.163848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087795
observed 60e7235ca3329a587cc71da7deb71e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:00.144840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087795/manifest.json
observed e8317c68fe41d03c58dbb89fe90edd74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:00.123530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087795/publication.md
observed b8a925b7bf97c7bec2e6ba92acdd0549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:00.104646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087795/publication.txt
observed e5102964c924392debe98d5eb6320595...
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.