OpenTechnical

OT-2026-000095821

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000095821) never changes.

Identity and time

Publication numberOT-2026-000095821 · never reused
Internal UUID01a0ae9f-fac6-77a8-9b9f-d692246f49af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095821
StatusPUBLIC

Content hashes

Canonical text24a6d10d698414d6bb4a023e383b5a825bed70a38f70d0417db35d5256a7a0f2
Markdown187cee0acb885534afcee512a9a183e5c6aa45b9bb8deaa3009c98341710ab6f
PDF
Publication paged3efd851bced4e15699eeb18fb2086440e46bb15de0ea31427b98bd14ec485db
Manifestad3f62e2802fa8d5ed70393da880fdf8c7e6a5f9d5cf2004dc20d5966f18c8d3

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
SignatureefH9Y60P4C4fe2/sEys+57fbLY3dxWK83h0Et+S6EIQsT4/cXSkrbzgXSw0xXJIozCXOEWDOs+AXpH3IHlYhCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:54.099043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095821
observed d3efd851bced4e15699eeb18fb208644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:54.081213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095821/manifest.json
observed ad3f62e2802fa8d5ed70393da880fdf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:54.063160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095821/publication.md
observed 187cee0acb885534afcee512a9a183e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:54.046892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095821/publication.txt
observed 24a6d10d698414d6bb4a023e383b5a82...
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.