OpenTechnical

OT-2026-000012791

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pulsed blow-off 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-2026-000012791) never changes.

Identity and time

Publication numberOT-2026-000012791 · never reused
Internal UUID01a0ae6d-5563-7141-b138-1f1cda6f7a3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012791
StatusPUBLIC

Content hashes

Canonical text78b16df0d04c2ad41c0caab41834af5a15cdb95617086f150b61c3389f1540b5
Markdownef56a5e949a08dc283c41e45fa2cf1980960458a286642323c4ff1c455d6ceb6
PDF
Publication pagecec012f8b8999b0c076aad67efce15936389c80abcdbfa73ffe15e6aa96fc003
Manifestbd3bca081d9c700a71131762b7af461f962e546889f7077a33e63d5ed7d14aa2

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
Signature9xGKl6hdUrgn9UHnDOd6Vf6IndfcTj9iaXfMWAwO5n/8WTwZHzJ8xjgRh/Kmf7L1JRJ3Nb/RSln/Y4JSmFGCAg==
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

2026-09-17T12:10:30.891411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012791
observed cec012f8b8999b0c076aad67efce1593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.873299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012791/manifest.json
observed bd3bca081d9c700a71131762b7af461f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.853847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012791/publication.md
observed ef56a5e949a08dc283c41e45fa2cf198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.835467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012791/publication.txt
observed 78b16df0d04c2ad41c0caab41834af5a...
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.