OpenTechnical

OT-2026-000015262

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000015262) never changes.

Identity and time

Publication numberOT-2026-000015262 · never reused
Internal UUID01a0ae6d-ef48-7fa5-a20e-0087561a8937 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015262
StatusPUBLIC

Content hashes

Canonical textf41ed474006d8bf526fc146e0a0fc66d379238ef2b37cc8f1ca06b748c775091
Markdowna692c583bcee430a01a3c2b014746f1a33add7a047c6baefb90bf426d49e1447
PDF
Publication page4d127618d53bea11561f01ab52c7c1cfa12cc1c355aa63233b5847fe751f1a14
Manifestecc64b966d660d2ab5cb6b002c7ec8eb0632a48b5b449db6ece46f6ac3b459a3

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
SignatureJdelbzBW64pT47EuIHmvNHMdWwUnPx6tiWAG61NclZOrEutdgiHixJmg/CCbgUa6yOWj4ONRsyR8VH2Wgks+Aw==
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

2026-09-17T12:05:56.212503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015262
observed 4d127618d53bea11561f01ab52c7c1cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:56.193785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015262/manifest.json
observed ecc64b966d660d2ab5cb6b002c7ec8eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:56.174468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015262/publication.md
observed a692c583bcee430a01a3c2b014746f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:56.154413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015262/publication.txt
observed f41ed474006d8bf526fc146e0a0fc66d...
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.