OpenTechnical

OT-2026-000079586

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000079586) never changes.

Identity and time

Publication numberOT-2026-000079586 · never reused
Internal UUID01a0ae96-0b92-77f7-aa58-aa582c483ff5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079586
StatusPUBLIC

Content hashes

Canonical textfabb2fbf82c0b0468d060d6de2ceab4b3179a3966026701474a9be40df771ad7
Markdowne7274a521704c487d6d24264bd6ae9a855dd973128a083dd58db3ec8a498a672
PDF
Publication paged3eb34cfe003b5647a1bc38fbb92dea8d8f77be91c0cffcd0e7800b72b201831
Manifestd3a1d5e0e2daf900657446d5c202f91d4cb2ee406de56f2b88ec99eee28d75f9

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
SignatureIgGIDkGuYha0s/ClhhhFo9y6wdSoMyYDZ8lJHGwzoaB+SwxHYcttbw+tsyQmf7au8iMop7/NuSRB3Z16wiLYBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:14.525389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079586
observed d3eb34cfe003b5647a1bc38fbb92dea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.505558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079586/manifest.json
observed d3a1d5e0e2daf900657446d5c202f91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.483727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079586/publication.md
observed e7274a521704c487d6d24264bd6ae9a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.464786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079586/publication.txt
observed fabb2fbf82c0b0468d060d6de2ceab4b...
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.