OpenTechnical

OT-2026-000091856

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000091856) never changes.

Identity and time

Publication numberOT-2026-000091856 · never reused
Internal UUID01a0ae9d-43ba-71df-b55b-873eacd8ad7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091856
StatusPUBLIC

Content hashes

Canonical text60afb6fa7121e5142e0259e4a0b0db0b8c32504e3ad0de9aab81a64a67e904c0
Markdown9586035f4070951f2acd07dc34318ae8efb1bcf6b19086c178f902d8eafe0dc7
PDF
Publication page6abc35714b363a97657d1f0b7117d364becd3cb4035626e896956c3bf58c9ab2
Manifest9e6aebdb82a1b7ffc7adba94861b80f128251057282a8f7fe3bd440b0dd336bf

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
Signature42U7184pRPnk/DkX8/kdeaCjrkbx/8rsJs2LpOGpauY16oMwMZG0UVKTJ20mpoxDIbk9r0IxOSyImQbOg8ttAg==
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

2026-09-17T09:42:46.807848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091856
observed 6abc35714b363a97657d1f0b7117d364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.789348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091856/manifest.json
observed 9e6aebdb82a1b7ffc7adba94861b80f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.773974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091856/publication.md
observed 9586035f4070951f2acd07dc34318ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.757525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091856/publication.txt
observed 60afb6fa7121e5142e0259e4a0b0db0b...
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.