OpenTechnical

OT-2026-000064411

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000064411) never changes.

Identity and time

Publication numberOT-2026-000064411 · never reused
Internal UUID01a0ae8d-a461-7ead-861b-f2861ef9fa68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064411
StatusPUBLIC

Content hashes

Canonical texta031f35eca3804b6b9ace5d772828bae3280fed1e7133baf2f22f5ffb445c4a5
Markdown0b74b2ea5f3aefb208707d8b0abf4bd9bf60601bcd35a27bc04b356fc60b01f3
PDF
Publication page266e2a0e3d8d5ab7d60988fffbbabfc961cf898d9ee235320dfbdead57a35b0a
Manifestc24e710b82fd7cbd951a6b65d39793e3841a8e16997e10dc9c0c23f8a06154e8

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
SignatureoTH6TM173sk6npXm4ty3ndrkyq+XOWA1d4Wo+8qA9FADd5l2erhTMsw4sMO/Jh7HCmOvFz+8MPkL4Y1tTX0WBw==
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

2026-09-17T10:36:35.381754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064411
observed 266e2a0e3d8d5ab7d60988fffbbabfc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.364375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064411/manifest.json
observed c24e710b82fd7cbd951a6b65d39793e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.347518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064411/publication.md
observed 0b74b2ea5f3aefb208707d8b0abf4bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.328705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064411/publication.txt
observed a031f35eca3804b6b9ace5d772828bae...
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.