OpenTechnical

OT-2026-000082768

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000082768) never changes.

Identity and time

Publication numberOT-2026-000082768 · never reused
Internal UUID01a0ae97-8cc9-7bb7-8bef-39850d9c5d10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082768
StatusPUBLIC

Content hashes

Canonical text263e39a85288734c42422967744f1a4c5e077bfb836dda63339d8896ad0a28e8
Markdown4aced07d28ba92f72d41fc776b320dc53b1b449decacaf16a51b8fbb65a6f9b0
PDF
Publication pagec86e302e03a9ef7449e9c5d91e0baaad943db70b6ba0b9f667877d5f243a6617
Manifest043510a686eaa0cd145328a6f229d68d7c98192b0dcdebce9f3830eb1f5dbac2

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
SignatureQeHsSVJ+M1TyU63Go/J6mcxco3WUws+MU+BFbqmatAs3q9Ac6wHV2/byzFEKI4lHq1ciQJmADdqAdTzw/obTAg==
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

2026-09-17T09:58:21.274746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082768
observed c86e302e03a9ef7449e9c5d91e0baaad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.257516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082768/manifest.json
observed 043510a686eaa0cd145328a6f229d68d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.239900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082768/publication.md
observed 4aced07d28ba92f72d41fc776b320dc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:21.221039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082768/publication.txt
observed 263e39a85288734c42422967744f1a4c...
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.