OpenTechnical

OT-2026-000016820

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed 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-2026-000016820) never changes.

Identity and time

Publication numberOT-2026-000016820 · never reused
Internal UUID01a0ae6e-5919-7b83-890e-ed65ca0cbf05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016820
StatusPUBLIC

Content hashes

Canonical text9cde233eacd6b47a69238a7796a4ff88a4ceaf87d1be09470244b42f820fd688
Markdowna1cec286f11960ea5f634adcc3f4b5acabac749c2ea82f8081b01d0fa459549d
PDF
Publication pagec3e620c84a0928bcec1f85bb80e462e08e9215b851295bd5c8924473836803c3
Manifest25353a669bc1c6f94bb38dd9d5193eaf2be376af94f5a2935a481dc6f9106d20

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
SignatureCqcw1tKkHVah+wrJBSv0KGeo/kNpc2c9RYlYVpEYwIrjxhRIXt5yBJ9q0I19Mw2fUaTaGYUlGiojp1ShYHzjBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:04.616666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016820
observed c3e620c84a0928bcec1f85bb80e462e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:04.598884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016820/manifest.json
observed 25353a669bc1c6f94bb38dd9d5193eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:04.581668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016820/publication.md
observed a1cec286f11960ea5f634adcc3f4b5ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:04.565704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016820/publication.txt
observed 9cde233eacd6b47a69238a7796a4ff88...
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.