OpenTechnical

OT-2026-000027962

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000027962) never changes.

Identity and time

Publication numberOT-2026-000027962 · never reused
Internal UUID01a0ae72-a51f-78f0-9a21-15bad6431209 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027962
StatusPUBLIC

Content hashes

Canonical textc5ef435f09a2906e1a7c3427659d70e5d88168cec53c8d1f3879ad22e25a3e51
Markdown06e1c5ff1febcfe55e1108425e1b3eb8300ed29be23db3c149c7face66ad0128
PDF
Publication pagebf74b1977d33741d9af489142af3b75bb5ef0eaf08024f83333a397fc3022143
Manifest07623e426b2b12593ebb45f9b770cc64066762c55c96463b126270337e45bc74

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
SignatureWtUVN9AsFriL4Y8nTYXj3qqzAMObMlRHuzjWyBYjr8vQBKxpBBJ+TjjmQ4CbcrOnGqq4L6Kptzjs0OUogokaCg==
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

2026-09-17T11:42:09.242757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027962
observed bf74b1977d33741d9af489142af3b75b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.225382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027962/manifest.json
observed 07623e426b2b12593ebb45f9b770cc64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.192995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027962/publication.md
observed 06e1c5ff1febcfe55e1108425e1b3eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.155666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027962/publication.txt
observed c5ef435f09a2906e1a7c3427659d70e5...
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.