OpenTechnical

OT-2026-000078367

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two 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-2026-000078367) never changes.

Identity and time

Publication numberOT-2026-000078367 · never reused
Internal UUID01a0ae95-7c28-7560-a2cc-e7691fa6df17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078367
StatusPUBLIC

Content hashes

Canonical text68f1ae08eb3f2603188f19249e8dbab77160c40fb5f57a639cb241289a07ebd8
Markdownad0388948c7c3c2a1465110f95f56f53bab804648db0a134a6a74bce8e0b3fb9
PDF
Publication page71aefdfc029bca152ce9e8a21ddcf87bb112b21fbaad9ca6f2533b86eb269986
Manifestba5d0d78d20aeda9a05e63b03b01c82881a15dc818f454c61267f78aaa00defa

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
SignatureNvlZsYBqP78vJ7dLPKPHgaAUpZS4NHip1JTqGBMy89r1mAd8qWX3smEq0ea2d3ZZVsDGU5A2+qhxhBCrtEq/Dw==
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

2026-09-17T10:06:20.287912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078367
observed 71aefdfc029bca152ce9e8a21ddcf87b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.270659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078367/manifest.json
observed ba5d0d78d20aeda9a05e63b03b01c828...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.251936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078367/publication.md
observed ad0388948c7c3c2a1465110f95f56f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.232122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078367/publication.txt
observed 68f1ae08eb3f2603188f19249e8dbab7...
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.