OpenTechnical

OT-2026-000066904

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000066904) never changes.

Identity and time

Publication numberOT-2026-000066904 · never reused
Internal UUID01a0ae8f-14fd-740e-be02-5a784ad352e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066904
StatusPUBLIC

Content hashes

Canonical textc238929891301cfc571fac5a397fcd923fd5276e43129fa2945c4c572c3e2c06
Markdown439c54c8a2990a218f0f69fdea0ec56906262ba5799c701b815e1975d9695b71
PDF
Publication page73417762f9ce6aec0bc9e2137ca7ac0600f93960ca1a8d7eb487677c660e1fc6
Manifest3b3088db9c555b0022280d883ff593d105148fa699172b77c30252fd7e0a63a5

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
SignatureM+8WM/grOoaspgfy5+yP1IG5XqhM7CiX6lLPPdJL+DkkCma/LSBY/NY2nsrQbNPDGTSv+wHe6lu122S7czjZDw==
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

2026-09-17T10:32:06.512931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066904
observed 73417762f9ce6aec0bc9e2137ca7ac06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.480015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066904/manifest.json
observed 3b3088db9c555b0022280d883ff593d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.462991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066904/publication.md
observed 439c54c8a2990a218f0f69fdea0ec569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:06.444905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066904/publication.txt
observed c238929891301cfc571fac5a397fcd92...
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.