OpenTechnical

OT-2026-000101608

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, pulsed blow-off 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-2026-000101608) never changes.

Identity and time

Publication numberOT-2026-000101608 · never reused
Internal UUID01a0aea4-0e15-78e1-bd18-8d9bbd2582db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101608
StatusPUBLIC

Content hashes

Canonical text445ab98d53a4f4c004cf2d6f92ca187b7da85fe52b82b47747bd58eac7f2644d
Markdowncda1fbfd27284567ab81bad5bcefe75086e4498becba544b61f44c5c4059c0a8
PDF
Publication pagec86b8f9fa9a013e8b7d6f9e27b6ae68abe09db02d7167e8e35fda9ca4a02a06b
Manifest9ddf637cf159d3cd14efe88428308676eb1ad60cc247b6b73dc831cb7ad0f9e3

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
SignaturetDqaeGn3WEcODKkRtp636VUf82Vh7E+pQ16BDWxUeLFY7HHYyQsari12sEf5cOZnxLUgijwxDS7HN6oJJIiOAQ==
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

2026-09-17T09:25:43.183861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101608
observed c86b8f9fa9a013e8b7d6f9e27b6ae68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:43.165855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101608/manifest.json
observed 9ddf637cf159d3cd14efe88428308676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:43.146226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101608/publication.md
observed cda1fbfd27284567ab81bad5bcefe750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:43.127466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101608/publication.txt
observed 445ab98d53a4f4c004cf2d6f92ca187b...
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.