OpenTechnical

OT-2026-000013942

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000013942) never changes.

Identity and time

Publication numberOT-2026-000013942 · never reused
Internal UUID01a0ae6d-8dea-7e1f-a350-18afcc5e14ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013942
StatusPUBLIC

Content hashes

Canonical text15b3695a0b2b822d561cacda52b9550f203beac351305b4c0548720e0fef21a7
Markdownacacb97283c2a945059c5b88981d3128aa5d6f2387c1188cbc4e9adf6716d60d
PDF
Publication pagebcf196bb64410d5a8bebe333fcfbd1275c6cb6e5bae3f7cc23ad4e0c1313b5d9
Manifest23ced856f73cb66313e527c84bd01fe964944da4e2d5d7ee82d3420490946841

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
SignatureKZO8vyjC2H2PUsFlJuMmGHNwA9WjmEttobrNVj4d7s16JGhWL+vcGSHxGD6xVQ0kp0ehrqXQHuXE0yrGMNbQAg==
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

2026-09-17T12:09:05.002609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013942
observed bcf196bb64410d5a8bebe333fcfbd127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.982147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013942/manifest.json
observed 23ced856f73cb66313e527c84bd01fe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.962405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013942/publication.md
observed acacb97283c2a945059c5b88981d3128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:04.944063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013942/publication.txt
observed 15b3695a0b2b822d561cacda52b9550f...
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.