OpenTechnical

OT-2026-000083074

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000083074) never changes.

Identity and time

Publication numberOT-2026-000083074 · never reused
Internal UUID01a0ae97-c962-7552-a8f9-8d5b58e2c00f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083074
StatusPUBLIC

Content hashes

Canonical textd900fa54b1dcba1639043058c7cdd4b61beb29ef634502dafe15c95da776f34e
Markdownc6271c120d502054b67e9ab1d54559b84ef62587013f5e7d91a37ed9c79030e5
PDF
Publication page8cafe8517cafd525a83c97fd5d2d0992e53be50869866e309d5c2b0c086b37a4
Manifest56a0c249d7c8b5c4bc7ff9e4823579ab0f0e52886d639ddedb537fd083c2854f

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
Signature3q6CCf/joEBTsU/g2DGsPhKweQc/tiI0DPJtAEj9Iu3g0kaUssh/ev4m3Anyz1tYojo6k0VPwg/3ZZD+m+huDw==
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

2026-09-17T09:00:32.652880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083074
observed 8cafe8517cafd525a83c97fd5d2d0992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:32.635142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083074/manifest.json
observed 56a0c249d7c8b5c4bc7ff9e4823579ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:32.617198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083074/publication.md
observed c6271c120d502054b67e9ab1d54559b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:32.599796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083074/publication.txt
observed d900fa54b1dcba1639043058c7cdd4b6...
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.