OpenTechnical

OT-2026-000045691

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000045691) never changes.

Identity and time

Publication numberOT-2026-000045691 · never reused
Internal UUID01a0ae7d-8f04-777f-be6d-84c43e6df12a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045691
StatusPUBLIC

Content hashes

Canonical text7912fa08b89fdd107b4261590d1ef02027d4f58796f6362d505cc1e627a0028f
Markdown20e0fd020f6b196479d2bb209de9e0df99f41ce45c9821aa1db1b0064694fc23
PDF
Publication page41f102bb7dd9f60d912104acd6cd358825fb938b79e3b9a093f7994e847d3298
Manifest8cfaef747feea55dc4089c4cfda4a19f46a4f34be9166b95a9f743b795b5f130

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
SignaturefNF7ACKAPsu3mrYAvY9Fjcz1ThSs1u7GpOrp0GYo4ugyUceeLjgT5Bv/RoAOqcphT61Aau5FNnqBj9AJvsifBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:29.674061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045691
observed 41f102bb7dd9f60d912104acd6cd3588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:29.655539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045691/manifest.json
observed 8cfaef747feea55dc4089c4cfda4a19f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:29.635248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045691/publication.md
observed 20e0fd020f6b196479d2bb209de9e0df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:29.616900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045691/publication.txt
observed 7912fa08b89fdd107b4261590d1ef020...
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.