OpenTechnical

OT-2026-000012737

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-2026-000012737) never changes.

Identity and time

Publication numberOT-2026-000012737 · never reused
Internal UUID01a0ae6d-5562-7885-a3f9-ed2c883c67f8 · 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-2026-000012737
StatusPUBLIC

Content hashes

Canonical texta98284b748e1a7739171216fdb677c485e27086a5b1c41a3e7983b3a0b5057bb
Markdownad2fe11a922c881082553eddd3ae02c44d9119adde8ceed409f03d44735e12f6
PDF
Publication pagef9c91635a50d292f63640d15dfbf2f2265b66c5cb80d28d8438a6d8910f88955
Manifestb3fb73b64104a14ef05995fc35be80f317b0e52f3de684bfa095e52cb46fe33d

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
Signaturesf1m0Fr4v6SWEirMdMKjN9y0K2DeRf1+Gj63wt+SiMwaUnSDc3v7K1zv9WBd9ubB87wC+bdpL1q7CAarIDnvDA==
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

2026-09-17T12:10:25.948019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012737
observed f9c91635a50d292f63640d15dfbf2f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.928108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012737/manifest.json
observed b3fb73b64104a14ef05995fc35be80f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.906349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012737/publication.md
observed ad2fe11a922c881082553eddd3ae02c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:25.884842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012737/publication.txt
observed a98284b748e1a7739171216fdb677c48...
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.