OpenTechnical

OT-2026-000038972

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000038972) never changes.

Identity and time

Publication numberOT-2026-000038972 · never reused
Internal UUID01a0ae78-76a0-7220-8bbc-ea4a0225803f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038972
StatusPUBLIC

Content hashes

Canonical text7d47b7dea4cdb61cef382e1f3d4a7306446f4866533ed870bcec006fe01edfbd
Markdown39bcafb7f4430fa807ecd9fb6f5aebfb5428d25dcd9015fabbb782b603629dd0
PDF
Publication page81d237a0dada1b877f1cd1b553ebe1b610304c2b5c4637584d65c15250f2f267
Manifest434ff1c012e907fad1f75f218aa496384cff9b71bc35d91f9866cbc915dd7c8d

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
Signature3HYcbUvY/xdXovnHdXtkzLnc4rq+Sp7dryDvrJjz57by0N5DZY6ijNf3N+v0pJ+EQRNU0mJUADB9euC6gyblCw==
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

2026-09-17T11:22:15.089727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038972
observed 81d237a0dada1b877f1cd1b553ebe1b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.072121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038972/manifest.json
observed 434ff1c012e907fad1f75f218aa49638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.053658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038972/publication.md
observed 39bcafb7f4430fa807ecd9fb6f5aebfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:15.036285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038972/publication.txt
observed 7d47b7dea4cdb61cef382e1f3d4a7306...
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.