OpenTechnical

OT-2026-000045735

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum 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-2026-000045735) never changes.

Identity and time

Publication numberOT-2026-000045735 · never reused
Internal UUID01a0ae7d-8f04-78e6-ae4d-40681d8a81b5 · 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-2026-000045735
StatusPUBLIC

Content hashes

Canonical textf9ec04ed859020221f74c2d4119ef0c7f9beefd15245d3a88cb082640d61432f
Markdown2aab02346d1523806c08e9011592586156c3ee9f503422b51a995e3768536e3e
PDF
Publication pageb28a7ba62c9885339982abc2f0fd16b32eecd632b737642a94e531f5edb690f2
Manifesta4e612a63fd9ed52bf3a593e27851731ef645c68f4094f3626d1c9b1c513562e

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
SignatureDNGzZWdjZ4KexMebIuLNjR8nFrIAu65XM/fY/02CNON4deNBH0raOXbgkPvqEorZmxZXRc+aaRGULToarL9EDw==
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

2026-09-17T11:09:33.179809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045735
observed b28a7ba62c9885339982abc2f0fd16b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:33.161750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045735/manifest.json
observed a4e612a63fd9ed52bf3a593e27851731...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:33.143572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045735/publication.md
observed 2aab02346d1523806c08e90115925861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:33.123521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045735/publication.txt
observed f9ec04ed859020221f74c2d4119ef0c7...
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.