OpenTechnical

OT-2026-000076179

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000076179) never changes.

Identity and time

Publication numberOT-2026-000076179 · never reused
Internal UUID01a0ae94-6a6f-78dd-95a2-5ade0bc1e303 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076179
StatusPUBLIC

Content hashes

Canonical text9ae133fb4a17fea5383f7bee75a0d515d3e9bf3168d2526b6293a4f70a596ced
Markdown692f3045150b318436aab476c0a20bdef1b73e90d086d3789a15a9bd2bf91bcf
PDF
Publication page4ac094bcb928175ef82688871885cac231d346706e769756107d0a8759538cd1
Manifestd1ef7074a90a61ecba0addde628399f5d29c5513eb7dc9f5bb679bd933422ed2

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
Signatureku+bE6FbeG6D3MJ4steuT47FcgvT5cXLWVUKeVye4Yj/D/3bIvG5qZhI1NHbz1ebABXAWYYeEBVlLn4TIFHLDw==
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

2026-09-17T10:11:27.744621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076179
observed 4ac094bcb928175ef82688871885cac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:27.725411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076179/manifest.json
observed d1ef7074a90a61ecba0addde628399f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:27.707912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076179/publication.md
observed 692f3045150b318436aab476c0a20bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:27.688418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076179/publication.txt
observed 9ae133fb4a17fea5383f7bee75a0d515...
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.