OpenTechnical

OT-2026-000012741

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000012741) never changes.

Identity and time

Publication numberOT-2026-000012741 · never reused
Internal UUID01a0ae6d-5562-7c29-9346-a65eebdb7898 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012741
StatusPUBLIC

Content hashes

Canonical text494605afd4579091903ec659ec50fdcb4d1e70a64973ed4cfb8371f59c4d8224
Markdowna370e1ab9c4b46f11b4d39e97203d0c0b592865137e878baa71863bd541d59bf
PDF
Publication page49ea3c107d15fc36efe76559e20a283efda8be55acf1c8b18d2b9de212e31d0e
Manifest7b0047ad9d75499b45b1135c61e05e41a69303adcf34db70cfea41220455d5d0

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
Signature6dY44ZGWpYbNuP8oPZdfFArWhxxseqWcXmTJZGnzOekDdEASXl60wa5EHuezZrs6GEnMUl/LrOtVAUpYzwOxDg==
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

2026-09-17T12:10:26.275881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012741
observed 49ea3c107d15fc36efe76559e20a283e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:26.254138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012741/manifest.json
observed 7b0047ad9d75499b45b1135c61e05e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:26.235250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012741/publication.md
observed a370e1ab9c4b46f11b4d39e97203d0c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:26.215441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012741/publication.txt
observed 494605afd4579091903ec659ec50fdcb...
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.