OpenTechnical

OT-2026-000073457

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000073457) never changes.

Identity and time

Publication numberOT-2026-000073457 · never reused
Internal UUID01a0ae92-efb8-71b3-b360-d6c4d7e006f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073457
StatusPUBLIC

Content hashes

Canonical text32da3f9869e998a3878a79c494a185312196719d4d0e18d70e7939e860a8dfa8
Markdown95d5618c80fc660d16c82e990d41e0e6db089b7fe18e12e6aa39798e8e12c5b8
PDF
Publication page256d582582921c956feaafce8fe202dd49415fc761b1d28681fb0fdc5ed3d023
Manifest19911ed527b50b4a3b4e6b609ea01243eb181864780f67316788a0f86b0dca32

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
SignatureB89iCaQWbC9iFQLab1DArJPRerXYfySnJ5I5RPJZbhVBihvDpr1+Axqbe9gelfLzv6at2NUoXnDleqSk0N76Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:37.281215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073457
observed 256d582582921c956feaafce8fe202dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.264567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073457/manifest.json
observed 19911ed527b50b4a3b4e6b609ea01243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.246823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073457/publication.md
observed 95d5618c80fc660d16c82e990d41e0e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.228512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073457/publication.txt
observed 32da3f9869e998a3878a79c494a18531...
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.