OpenTechnical

OT-2026-000069800

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000069800) never changes.

Identity and time

Publication numberOT-2026-000069800 · never reused
Internal UUID01a0ae91-185f-700e-8dba-74747650ec45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069800
StatusPUBLIC

Content hashes

Canonical text6ca26971d8b0409cf1b981a0c25a4b874d6889c04807e7d9e44f555c2dd0f630
Markdown9c9c4b9a153bb6906f99c16acf88c7d6014b43d68e8fb30bf251d96dacffb505
PDF
Publication page71ed484c09af7bf74c420519dde85cbe74c425670e6b8c5cf02d04b0d3f91c33
Manifest034a9beaca23daa59f70224aede61aa4c681f6673b0894d7a14f949d85b1ebfe

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
SignatureiVwdq7kLG/1Ov8H+O2bBQB4VDeBQkqXe4AQDEINXXtIEqCReJqxaJwVQieFAfGSKtAm7Tfg8rQVKa8xo592PCw==
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

2026-09-17T10:26:30.482556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069800
observed 71ed484c09af7bf74c420519dde85cbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:30.463514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069800/manifest.json
observed 034a9beaca23daa59f70224aede61aa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:30.444884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069800/publication.md
observed 9c9c4b9a153bb6906f99c16acf88c7d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:30.359454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069800/publication.txt
observed 6ca26971d8b0409cf1b981a0c25a4b87...
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.