OpenTechnical

OT-2026-000081120

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000081120) never changes.

Identity and time

Publication numberOT-2026-000081120 · never reused
Internal UUID01a0ae96-b977-717a-ac3c-d404b4cb2b69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081120
StatusPUBLIC

Content hashes

Canonical text80942f4c82133d2fe319583e9aee63f090a1923fab5a66c83ed3b52636078e14
Markdownd1f56516613711d636d6c26b883d09e78cc587948084737f0bcd28d795913a22
PDF
Publication page4a26bd57117197a91f78a5c65a0aee0c75df56bc932979642e951fe0b64a0b0a
Manifest8bef1b5efd531aa72f59a98793232498153e9d9981103bfae6984b469132d0bb

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
SignatureBKBheHQQ75BQ4ZCO5rPiG7PHDdyeBdwjZQhg0sHSbkUpzuD8YIov6Zz5a5h+LIQzwKnGpNiqVHJJIP9D0u+fCQ==
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

2026-09-17T10:02:25.822117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081120
observed 4a26bd57117197a91f78a5c65a0aee0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.805819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081120/manifest.json
observed 8bef1b5efd531aa72f59a98793232498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.787128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081120/publication.md
observed d1f56516613711d636d6c26b883d09e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:25.769162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081120/publication.txt
observed 80942f4c82133d2fe319583e9aee63f0...
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.