OpenTechnical

OT-2026-000045581

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000045581) never changes.

Identity and time

Publication numberOT-2026-000045581 · never reused
Internal UUID01a0ae7d-8f02-7934-b863-708b2306e6a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045581
StatusPUBLIC

Content hashes

Canonical textee5ec6fb019e16a85f612ac416b393f523b47de1748fa584f6b6fb786478c4e1
Markdown6243d30b7bdd8eb6a4de500bf8b21f109980f02d24e5296131beea42069b2d21
PDF
Publication page672a4f0c89b4465ca0de2c2f186c78b3f387f33b1d6119b6638729c2c00b43a1
Manifestc561533f65f41607bbe23800c59a25f94a1d4729aa41f713cd0ee517ae7e3dbd

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
SignatureAyQbRhI1SxNzLZhdH7eh31Du1gzeTzoq+7MHS5AYb3BKv1in/aI3YPotMTevnQEdU+iVcZ6lxha5beXnRYfVAA==
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

2026-09-17T11:09:20.762799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045581
observed 672a4f0c89b4465ca0de2c2f186c78b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.745025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045581/manifest.json
observed c561533f65f41607bbe23800c59a25f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.727762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045581/publication.md
observed 6243d30b7bdd8eb6a4de500bf8b21f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.709890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045581/publication.txt
observed ee5ec6fb019e16a85f612ac416b393f5...
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.