OpenTechnical

OT-2026-000045391

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000045391) never changes.

Identity and time

Publication numberOT-2026-000045391 · never reused
Internal UUID01a0ae7c-f76c-75c1-b552-2803be70b66f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045391
StatusPUBLIC

Content hashes

Canonical text0464806c339fc16ec5d6bf569c68f5f6920d4eb8d749ab8899c71fc171a4fa4c
Markdown7031afcac9132f92d39130d7334383e373b0e11e638a32fb83f7c52e0dbeb3bb
PDF
Publication page4e0447e7609949c1af1e16d232a8007ceeedf5bb791ff8dfe7f3c0100e6e18ce
Manifest836f0dd88424b0c9b5d110c5fc14eed22ab98f343807f5d4c04a4eb603e33a31

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
SignatureaU7/Q7xYHfZjaB2u1Nj2Firz/vu7fkZb20lLB4ByXi80sNd6GzOh9rB6a1VAce5NpQumCx6jmXwDGnyB5DSXAg==
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

2026-09-17T11:10:40.440352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045391
observed 4e0447e7609949c1af1e16d232a8007c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:40.422731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045391/manifest.json
observed 836f0dd88424b0c9b5d110c5fc14eed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:40.405218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045391/publication.md
observed 7031afcac9132f92d39130d7334383e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:40.387695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045391/publication.txt
observed 0464806c339fc16ec5d6bf569c68f5f6...
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.