OpenTechnical

OT-2026-000015874

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000015874) never changes.

Identity and time

Publication numberOT-2026-000015874 · never reused
Internal UUID01a0ae6e-0c4c-7d85-97e2-a47526b2df8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015874
StatusPUBLIC

Content hashes

Canonical textb9df9f1c3e9e608c36b2fc732325ab7dbef2ae0b5e4990be9b7c2e2a2353e4c4
Markdownbc70b62562b65c4e53666e4eb165832682c23f7dfc782e8c321d54f1640e2c63
PDF
Publication pagee593eb4ff6e5ce0c3016e0dd9f0867af3c18190613da40596c3a215f402509c2
Manifest1e6fab264bbabb8db959dd73337e8624562497a3584d47c26b58271d58f9c774

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
Signature3TPRP/FG93RhL0Clu4HyGGJsscYZKjGsx+epJVnoO4ieP7prQ8amgk72YIYs5dBsjuw3577+giRN1PlnlcP5Aw==
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

2026-09-17T12:05:19.336578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015874
observed e593eb4ff6e5ce0c3016e0dd9f0867af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:19.318109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015874/manifest.json
observed 1e6fab264bbabb8db959dd73337e8624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:19.295089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015874/publication.md
observed bc70b62562b65c4e53666e4eb1658326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:19.276187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015874/publication.txt
observed b9df9f1c3e9e608c36b2fc732325ab7d...
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.