OpenTechnical

OT-2026-000067935

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000067935) never changes.

Identity and time

Publication numberOT-2026-000067935 · never reused
Internal UUID01a0ae8f-c4fd-74bf-b9c4-35629eb58a40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067935
StatusPUBLIC

Content hashes

Canonical text41ca7998d2c66c978140ef9bdc3871c006e28c153400481484434edccef42621
Markdownb59b88dfbc6c7c4a6f528b9c79d7ae2db928b77b1e32e3e52f22b69b473e3bd1
PDF
Publication page6621244dae399796671116dfc919ddca9cbe1a093d2bc56ce20c52f3c9f4addc
Manifestf748097c3f50610b86fdb1506833df8bdb6e3edefd1c90a20bb7debc463f2dab

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
Signaturexh5YSO5/LuSL3uTJSJId2WBVKnsdJ01nW4nEqa27MvizykyR9qq3SAS+HZ7wKSuwAuZxWCQp4L8MYcXFCHsaCQ==
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

2026-09-17T10:30:20.919823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067935
observed 6621244dae399796671116dfc919ddca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.900871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067935/manifest.json
observed f748097c3f50610b86fdb1506833df8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.882608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067935/publication.md
observed b59b88dfbc6c7c4a6f528b9c79d7ae2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.864666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067935/publication.txt
observed 41ca7998d2c66c978140ef9bdc3871c0...
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.