OpenTechnical

OT-2026-000034051

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, supply line pressure sensor, pulsed 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-2026-000034051) never changes.

Identity and time

Publication numberOT-2026-000034051 · never reused
Internal UUID01a0ae75-df0c-770f-a371-197597f5a395 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034051
StatusPUBLIC

Content hashes

Canonical textfd374a7e7265dca3307925c8a5a4ad78e641e6027bf109bf4c08e505a9157dfc
Markdown22d323b3c7ce074acd128808a09855dd7cc57ff6ee8cfffb5214cb3225520947
PDF
Publication page5d34366f667f0cbf6453c480c41a05d5dd4f5b238e697e98f3c64dc80bbf7b3a
Manifestbc5a730d3dd23670a2aebda02d57093c20e3e3462fabf67314cf4e785244d179

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
Signature4fBlFNY+MTZV2yM3QxWTSZyiarx4gU146/iAXx/T8ObMrBVQ7X5mfhli5lmpGP5WahK78KJo/WzUXmwtJr6fDQ==
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

2026-09-17T11:30:17.415738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034051
observed 5d34366f667f0cbf6453c480c41a05d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.398600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034051/manifest.json
observed bc5a730d3dd23670a2aebda02d57093c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.380916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034051/publication.md
observed 22d323b3c7ce074acd128808a09855dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.361746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034051/publication.txt
observed fd374a7e7265dca3307925c8a5a4ad78...
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.