OpenTechnical

OT-2026-000077369

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three 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-2026-000077369) never changes.

Identity and time

Publication numberOT-2026-000077369 · never reused
Internal UUID01a0ae94-f509-7b36-abbf-b7ce0d4f1ba5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077369
StatusPUBLIC

Content hashes

Canonical text1645837bca9397528fb7db4313581a521ac3e4699bf9bd95962c5d6f906a3438
Markdown73b34386ea259dd427f5edda5499c29d73af3c0442be4a19ba415dd4f74fc695
PDF
Publication page21e20009fc6dd55fca9a941687824792bce45d79e9f6c913616af09e7b44dc9a
Manifestf9711b4d939f5378cf5b5b6120d5285160a794c53182cf08129468c14c2c21a2

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
SignatureY063R6w2GEvP5rkOq1gVR9VKfJO8HuB0ssY4kgUEtRV0KSHB8PYE///ngt/NrcDNo5TlovDM2LZsMQmebgq6Dg==
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

2026-09-17T10:09:00.770025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077369
observed 21e20009fc6dd55fca9a941687824792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.750753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077369/manifest.json
observed f9711b4d939f5378cf5b5b6120d52851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.732360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077369/publication.md
observed 73b34386ea259dd427f5edda5499c29d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.679138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077369/publication.txt
observed 1645837bca9397528fb7db4313581a52...
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.