OpenTechnical

OT-2026-000026180

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000026180) never changes.

Identity and time

Publication numberOT-2026-000026180 · never reused
Internal UUID01a0ae71-a841-779e-968c-e36660186a5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026180
StatusPUBLIC

Content hashes

Canonical text41233998e0250d356ec34bd10ecf23bc091951f9fea316c39f7f8a47c1bcc3c8
Markdown866686a3b4fe3ac9fdfceb7931c96fb340975a37881db09825203ebe5d3873f4
PDF
Publication page53ec7c98a77842d2397e1843094fe252372c86a81ef1206328ac13d997e48047
Manifestc011b66b1d90afa86ee2c170c8b8a8d9ac9766257ef26c571b531260e5b60c0f

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
SignatureGbbORqe+Bk4WgBcR8TC64O8ffkC54qMzErwGy4z3GcdOF2xOtPaoLs+nKFFO3AJ+GKx3FaAdFIlRKi4im6deBA==
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

2026-09-17T11:46:41.534987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026180
observed 53ec7c98a77842d2397e1843094fe252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:41.514481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026180/manifest.json
observed c011b66b1d90afa86ee2c170c8b8a8d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:41.496853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026180/publication.md
observed 866686a3b4fe3ac9fdfceb7931c96fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:41.480350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026180/publication.txt
observed 41233998e0250d356ec34bd10ecf23bc...
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.