OpenTechnical

OT-2026-000012546

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000012546) never changes.

Identity and time

Publication numberOT-2026-000012546 · never reused
Internal UUID01a0ae6d-39f7-7ac9-b2b6-562486282efe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012546
StatusPUBLIC

Content hashes

Canonical text78fcbc63685bcbaee300f3fb5138836f34935289679d4e89cf03b1d91e123c80
Markdown4d61b2a424ad2c221f420327a6cb4de3fb3ca0b530e1a4177b16223160686486
PDF
Publication page48d16ae5cd9b73102c6bc1623b55d7595c3f1942e4d47794a4ee4a5db6c297f5
Manifestf850a25ff830d2a9782c48f463edb5728dbf88f797dac53feda4c5a691a2353f

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
SignaturejeV/Lu0bCa71RnGQlQJsuihLhtyHV6qGyBotSEI1kWN9xT7OAasReK/rmTjh53f1gmMSJjrK/yd4yBNTS2xUBw==
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

2026-09-17T12:12:05.242783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012546
observed 48d16ae5cd9b73102c6bc1623b55d759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:05.220199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012546/manifest.json
observed f850a25ff830d2a9782c48f463edb572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:05.192777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012546/publication.md
observed 4d61b2a424ad2c221f420327a6cb4de3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:05.168499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012546/publication.txt
observed 78fcbc63685bcbaee300f3fb5138836f...
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.