OpenTechnical

OT-2026-000033392

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000033392) never changes.

Identity and time

Publication numberOT-2026-000033392 · never reused
Internal UUID01a0ae75-8980-7c8d-b346-4a209d3b080c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033392
StatusPUBLIC

Content hashes

Canonical text4e6c49ff6f2666a475778b2e79d873f1a95c5fe9dab56a1871a2b3d32bb35732
Markdowncaece310a51a8ab0ba757f153f64ee8a0501b4119c6f7348d09d84c995979c80
PDF
Publication pagefe8499f5d949c5977dde4d35b45bddd22b7448c66faeccbddd7b5fd1ed3208cd
Manifestf11ca435924e606d08f4058bdf5c131a742dc1124c09a1cab5422c0f8249b26e

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
SignatureiMY8lLECnpxqI/+0D5+nhIVHAqyRHhMlPMJ0pMDMNgw1vcD5ptel+r5jA43606pKnJDmvlB2z6YGunD4XMHBAQ==
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

2026-09-17T11:32:10.144626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033392
observed fe8499f5d949c5977dde4d35b45bddd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.124172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033392/manifest.json
observed f11ca435924e606d08f4058bdf5c131a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.105511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033392/publication.md
observed caece310a51a8ab0ba757f153f64ee8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.087806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033392/publication.txt
observed 4e6c49ff6f2666a475778b2e79d873f1...
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.