OpenTechnical

OT-2026-000039273

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039273) never changes.

Identity and time

Publication numberOT-2026-000039273 · never reused
Internal UUID01a0ae78-9674-7a1d-8212-83a73326e82f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039273
StatusPUBLIC

Content hashes

Canonical textac798ef22f3c9d6a77a0035a54f7414f6c64597dd3b6ab61b3984b2294158348
Markdowna7726751886fa1ba3cf871c2c66b175f9104ce93de693b147993f532776f42fb
PDF
Publication pagef55b5fe00e5a4284f9dc4b770c559477f9121c1fe0bddae0cd0edcfe008a3eb3
Manifest30180b83cf58fc6de9f276b6547ce93fc6e21d7fe656302dc3472d41e2fd75d1

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
Signaturei3EhSHwEZzzuXOROU6KoJaf32hyBlG31MDumBHC7yn5JCT+mj6FtCbKKR/LK3hmG6M4S5SPXEzqihPnvzkvVDQ==
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

2026-09-17T11:20:50.488885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039273
observed f55b5fe00e5a4284f9dc4b770c559477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.470267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039273/manifest.json
observed 30180b83cf58fc6de9f276b6547ce93f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.450912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039273/publication.md
observed a7726751886fa1ba3cf871c2c66b175f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.433410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039273/publication.txt
observed ac798ef22f3c9d6a77a0035a54f7414f...
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.