OpenTechnical

OT-2026-000041729

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, sustained 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-2026-000041729) never changes.

Identity and time

Publication numberOT-2026-000041729 · never reused
Internal UUID01a0ae79-e8a1-7347-a233-df6193d73c6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041729
StatusPUBLIC

Content hashes

Canonical text623db3a42050466fa77f5ef2dfcbf917a8e73bfa05613cfacb9385366e49ff7c
Markdown98b660577c207e184ac2ed8d733bed1ee0e168523ff240a484cfbbcaff03fda9
PDF
Publication pageac5ed05dda7f6a678aaec90cc822e4e4aa805c8fe92ed5829d5a75f0a83c4fe0
Manifestebbb76259e5ebd7036944a9a66eb1209fdd75e08543350631e0dd38b5702a6ce

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
SignaturecO+mGIqhVCi6cCGirfXGiwzKgv20pkqahAFf9xT7E8lFcI+cWcl/PBkr1l0Ql3QiZR7xQGdOWY/1iCLL+1B6Aw==
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

2026-09-17T11:16:34.214848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041729
observed ac5ed05dda7f6a678aaec90cc822e4e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:34.197589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041729/manifest.json
observed ebbb76259e5ebd7036944a9a66eb1209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:34.179430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041729/publication.md
observed 98b660577c207e184ac2ed8d733bed1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:34.164181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041729/publication.txt
observed 623db3a42050466fa77f5ef2dfcbf917...
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.