OpenTechnical

OT-2026-000088481

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000088481) never changes.

Identity and time

Publication numberOT-2026-000088481 · never reused
Internal UUID01a0ae9b-5d28-7324-9b22-7a858300c2a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088481
StatusPUBLIC

Content hashes

Canonical textc5d5f59fd21b927c4fb43a0a7324a0575192d59df72077e4dac267f1790852ea
Markdownefd118fedaba43463454d176b172008f86930697cce21150cb7bc785f03d6771
PDF
Publication pagecb60a3a286fddd48d815bde5bb17e0bbf022af090cfb0cd609165966395d884d
Manifestacd79076205a7e3ca42759b98596c42a708fdb98122aba1e0547e3c22577d3cc

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
SignatureMDerzmwEilcaBNr7RC9Yql74qLtZnC3kAy1cOIdpYsZgiPg+g88Ic0lpHfBI/zyzZOniUk1GPgUZxiGgXb4JAA==
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

2026-09-17T09:48:52.136884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088481
observed cb60a3a286fddd48d815bde5bb17e0bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:52.117425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088481/manifest.json
observed acd79076205a7e3ca42759b98596c42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:52.100025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088481/publication.md
observed efd118fedaba43463454d176b172008f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:52.081048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088481/publication.txt
observed c5d5f59fd21b927c4fb43a0a7324a057...
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.