OpenTechnical

OT-2026-000044342

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000044342) never changes.

Identity and time

Publication numberOT-2026-000044342 · never reused
Internal UUID01a0ae7c-39d6-7132-acda-d1dd871ce329 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044342
StatusPUBLIC

Content hashes

Canonical text5d19490029eac51e502b86ee3ec44e7e2460d599910239e80d3b818a23ea3058
Markdown8e746d11ababb4f5f8daf8452cf9bc16245a7d8d8a7b29b4f87f3ad191511b87
PDF
Publication page0221a88c0383a003363672ff92d1105dd492993534a518640d47fd8084bf0e14
Manifest0575013650a01d165077ba284d0df553b813e93ded88f6e6bb2b527286841f29

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
SignatureurrrTK8M1zSVzoJUCS1Cf4tWpbH2T8KUXVZ56+76VjjuZtv6k1GxhDEV3Dwrtyyk9rfXxQ9Xbq4JPCOhpWw8DQ==
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

2026-09-17T08:30:24.474545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044342
observed 0221a88c0383a003363672ff92d1105d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:24.329613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044342/manifest.json
observed 0575013650a01d165077ba284d0df553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:24.308895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044342/publication.md
observed 8e746d11ababb4f5f8daf8452cf9bc16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:24.290666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044342/publication.txt
observed 5d19490029eac51e502b86ee3ec44e7e...
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.