OpenTechnical

OT-2026-000029774

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-2026-000029774) never changes.

Identity and time

Publication numberOT-2026-000029774 · never reused
Internal UUID01a0ae73-5e24-743f-9c28-9438156d87c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029774
StatusPUBLIC

Content hashes

Canonical text807d81c8f3954ea2f0f539ef9e5b1b4ea1574a3be7fc78a3704de3e781e17eb6
Markdown24e8d8c3f9bdebef072bd33633c3eb02e2869d6bade475bad895e3a554e4435f
PDF
Publication pageb614b4166c5ecff6de20d95d8bc9a3a091b56cb863cfb04d02fbf3978a4b53df
Manifestd08b73e6b03e80089ea54e4ff880fcbb027e2eff5846505fe1f37d67ba66c27f

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
SignaturevT1TJH5uoY0FIYf66bYQy+JAzYUvPf0Djr0b0rVMpKN50tb5EKL9ANQDjnW/miahxZZRuKuB6WuuQ/cSc/HFDg==
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

2026-09-17T11:39:32.346996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029774
observed b614b4166c5ecff6de20d95d8bc9a3a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.327906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029774/manifest.json
observed d08b73e6b03e80089ea54e4ff880fcbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.310004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029774/publication.md
observed 24e8d8c3f9bdebef072bd33633c3eb02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:32.291611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029774/publication.txt
observed 807d81c8f3954ea2f0f539ef9e5b1b4e...
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.