OpenTechnical

OT-2026-000013634

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000013634) never changes.

Identity and time

Publication numberOT-2026-000013634 · never reused
Internal UUID01a0ae6d-8de8-737b-bf50-474ed2897058 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013634
StatusPUBLIC

Content hashes

Canonical textea2bd0f432fdf2775420ea20664fa49f23db7b5b080ab5310562f23f3c314e0d
Markdown468107f2135397f48d7cf72ffd3aa93543fab32343d14f14e28dcc06d1031c30
PDF
Publication paged2716172089855c6fa0957f3f75ba4097949309fc87801926306963f807e9f5e
Manifest9d40be44d955b9a3bb7fcd21fbc688ceff85bbecf13e0cf435eb012d7c175f54

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
SignaturetqrjG9o74GN5bbZK+uCpJefmHfQ73YbD4fk7GPqmmesDfcWHx3784DvACm7JTqnEbfWSavseWJoJgFQ9Nt55Dg==
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

2026-09-17T12:10:33.098049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013634
observed d2716172089855c6fa0957f3f75ba409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:33.076598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013634/manifest.json
observed 9d40be44d955b9a3bb7fcd21fbc688ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:33.056262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013634/publication.md
observed 468107f2135397f48d7cf72ffd3aa935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:33.037759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013634/publication.txt
observed ea2bd0f432fdf2775420ea20664fa49f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.124445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013634
observed d2716172089855c6fa0957f3f75ba409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.106860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013634/manifest.json
observed 9d40be44d955b9a3bb7fcd21fbc688ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.087861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013634/publication.md
observed 468107f2135397f48d7cf72ffd3aa935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.069767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013634/publication.txt
observed ea2bd0f432fdf2775420ea20664fa49f...
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.