OpenTechnical

OT-2026-000045672

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after set-down

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-2026-000045672) never changes.

Identity and time

Publication numberOT-2026-000045672 · never reused
Internal UUID01a0ae7d-8f03-72b1-a36d-c516693a8dd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045672
StatusPUBLIC

Content hashes

Canonical text4098758ccddbc0b6cff65ba1ded5e3a37e2125a354b57446f8716696c3e9c979
Markdown4cc40a38dc532376121660d06961f0afd4c35b5a9b1b36beaa58b81defe74a93
PDF
Publication pageb29dc847d7d85ab6f4dfc3797302670367a5a45abcb6597bfa0ddc44befda444
Manifestdbd6c3f1a267fece7b15683357082cf3cb97c133299a5d87d33791ad6d3bc181

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
SignatureOvQJ6ZDBS22VMk6hrEvRQwoz8ba9db6S8lnWuKbd11bn9mcEaJHGJ7b4SPCGx9bRXm0q3GF2mWCYgqrITDzlCw==
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

2026-09-17T11:09:28.196218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045672
observed b29dc847d7d85ab6f4dfc37973026703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.175571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045672/manifest.json
observed dbd6c3f1a267fece7b15683357082cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.156184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045672/publication.md
observed 4cc40a38dc532376121660d06961f0af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.137455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045672/publication.txt
observed 4098758ccddbc0b6cff65ba1ded5e3a3...
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.