OpenTechnical

OT-2026-000011254

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, vented before 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-2026-000011254) never changes.

Identity and time

Publication numberOT-2026-000011254 · never reused
Internal UUID01a0ae6c-5410-70cc-90fd-f0ada33640a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011254
StatusPUBLIC

Content hashes

Canonical text44ba5eaa5d4bf5ec37c9e091e75bf3fd4c292911610d29cd85a8132e6e76b5c2
Markdown564fe9d005549768c2326746870a0f97b15ebd2565fe9cd91c25fae6a6346046
PDF
Publication pagec01e714c6d6c3c48e1c74cb35464070ff83c5b227c065addd87463219192339c
Manifest8d63695badfb5317ce4d6fc213f53047e1dc6e54edb7633eaaaca4a9654543ec

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
SignatureQpZunozksWW2NRcqNFfLW2FNZsisqGPMM2piJUccA/rmYS7eaQZV07tCs4o3Fkya0cFsxs4ogTibRYBgW7NxAQ==
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

2026-09-17T12:14:13.357049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011254
observed c01e714c6d6c3c48e1c74cb35464070f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:13.336165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011254/manifest.json
observed 8d63695badfb5317ce4d6fc213f53047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:13.314967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011254/publication.md
observed 564fe9d005549768c2326746870a0f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:13.293381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011254/publication.txt
observed 44ba5eaa5d4bf5ec37c9e091e75bf3fd...
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.