OpenTechnical

OT-2026-000050298

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000050298) never changes.

Identity and time

Publication numberOT-2026-000050298 · never reused
Internal UUID01a0ae82-5c46-7c98-885d-9154f8afddba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050298
StatusPUBLIC

Content hashes

Canonical textc7385919d2117afaa4b5204277d7be37107354dd7ccd42a4e873db27b76a1365
Markdownbe2d55b53f97af2759c4ed330158dabb4758488c54011ccf9c57fce35579eae4
PDF
Publication page7ff280c22b08ebff3d0b59c09cdc2c3708887a65890e60949b8178327d9112e6
Manifest72ca5d93fe213588a14138da1cdf8c2b147e9bcc8490161a50c3810a6d720376

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
Signature7RxjXM/4f+hYkZ9nZE/OnrX2vogbzQwpPHRDiNhlZYJuaxkFj6WszRxTkX8UlJN/pIU81S+BR5Y76rO3jxtXAw==
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

2026-09-17T11:01:18.331002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050298
observed 7ff280c22b08ebff3d0b59c09cdc2c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.313776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050298/manifest.json
observed 72ca5d93fe213588a14138da1cdf8c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.296492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050298/publication.md
observed be2d55b53f97af2759c4ed330158dabb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:18.278068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050298/publication.txt
observed c7385919d2117afaa4b5204277d7be37...
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.