OpenTechnical

OT-2026-000075230

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000075230) never changes.

Identity and time

Publication numberOT-2026-000075230 · never reused
Internal UUID01a0ae93-f200-717d-864a-5081ca1fecc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075230
StatusPUBLIC

Content hashes

Canonical textef82410cf38b60ea368d369f8bd73222c81c3c53ece6be8d79f6e9ea79516856
Markdowned8cf29952f11590e52bcd4016c7263f8e9df1f8a500d0f82f4eacc16a2c3dea
PDF
Publication pagec4e7ed501d95a01bbabec1b33d545f6164fec4eefbb1d9d19553536c78ced056
Manifestd3a79bfae00432660f016d53d1208f00fbeb44d5b937f5d400b88a24717f0c8d

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
SignaturePSJOhiB+YyISVil5tLuMaRDFU/JDV5d6FqOabRcWIrSQKRGVYhbAbQkhaNK6XPQ6FBeWxesTPsGH8oc2wd7kBg==
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

2026-09-17T10:20:30.864640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075230
observed c4e7ed501d95a01bbabec1b33d545f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.847957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075230/manifest.json
observed d3a79bfae00432660f016d53d1208f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.830130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075230/publication.md
observed ed8cf29952f11590e52bcd4016c7263f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:30.811381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075230/publication.txt
observed ef82410cf38b60ea368d369f8bd73222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:47.525684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075230
observed c4e7ed501d95a01bbabec1b33d545f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:47.504662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075230/manifest.json
observed d3a79bfae00432660f016d53d1208f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:47.486284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075230/publication.md
observed ed8cf29952f11590e52bcd4016c7263f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:47.464890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075230/publication.txt
observed ef82410cf38b60ea368d369f8bd73222...
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.