OpenTechnical

OT-2026-000072699

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072699) never changes.

Identity and time

Publication numberOT-2026-000072699 · never reused
Internal UUID01a0ae92-89d9-771b-b903-b3795fb96665 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072699
StatusPUBLIC

Content hashes

Canonical textd81a1c345bfd41e6daae3188819be79238559c253b378e2b63820f39e88e55c3
Markdown555d0e7e65f6f9aa73ae02aa687f10c58dec95b9467d12bae3974e1e734b55fa
PDF
Publication pagea26c070fb6bb6d9f33e946ca506ce46c7cd2d3c14aaa80323496a730a66122e4
Manifeste458c4d5fa74d497878a832cb0892773bf39bf48d8e2bcf5aac9588d262c5954

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
SignatureVXa0JUVjgpWICytWOYlxEAA/ojOn+LfDvypNvSfMZVOWj+f1BkW1iJu6s7UGn+XfcC7wC2oEgIJ9NQZUMlGACw==
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

2026-09-17T10:22:35.533203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072699
observed a26c070fb6bb6d9f33e946ca506ce46c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.514817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072699/manifest.json
observed e458c4d5fa74d497878a832cb0892773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.495951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072699/publication.md
observed 555d0e7e65f6f9aa73ae02aa687f10c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.476689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072699/publication.txt
observed d81a1c345bfd41e6daae3188819be792...
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.