OpenTechnical

OT-2026-000085691

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000085691) never changes.

Identity and time

Publication numberOT-2026-000085691 · never reused
Internal UUID01a0ae99-aaad-74f8-a76c-e9e369f79859 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085691
StatusPUBLIC

Content hashes

Canonical text8e3300f6fe053dc031de693aa1e0b6f0d4d0bccb2930f50e2e16724a7915ccb4
Markdown167d7cb3314321a86c67b401a35b17f4b2bd72dec70fa7ae883d3a1bab56e1d0
PDF
Publication pagee7f3e3dc2a089ff93fe97dcdaddbfc192447e0cbea40d1ab373becc5fd9ab05c
Manifested64ce1a1657ed8e63778949acd5d329216a9a69bbeaa1730af081e6114c51ab

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
SignatureTOY6+MTGWp8jI9IvEOpj37ZZNb8yr4wzN3XyiZu+eCBLLk/qS/YlQqSp7I6REKccrCRTWySNP8Kp4o/5XNnXAQ==
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

2026-09-17T09:54:35.563029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085691
observed e7f3e3dc2a089ff93fe97dcdaddbfc19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.545098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085691/manifest.json
observed ed64ce1a1657ed8e63778949acd5d329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.525012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085691/publication.md
observed 167d7cb3314321a86c67b401a35b17f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.505664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085691/publication.txt
observed 8e3300f6fe053dc031de693aa1e0b6f0...
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.