OpenTechnical

OT-2026-000036381

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000036381) never changes.

Identity and time

Publication numberOT-2026-000036381 · never reused
Internal UUID01a0ae77-01d1-7e53-b052-3c2cef2713ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036381
StatusPUBLIC

Content hashes

Canonical text5c079cabf4190c9c690d388e1010ded8e56e69f6e7a40cd19b39bd0e08bd1c4b
Markdownc049d84f7a9549fb8915b3d6d2e65926176d632800d58cf6767d62235d37391f
PDF
Publication pagee90aa75752fac590d42c67e67789494d86f4a624b44e00892d8332abf96e60ef
Manifestcb7739dbaf0cbab017ed750d4fc7452e0432b335266ae27f657d838ab6a3c5e1

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
SignaturewmiSgq84ULSl2fyGQIz3c3uim/S+wPIMyq1FVUNws01/bvmMx7IREMtqYU1E/l4iAkIv/thoxmlrjk0bcVcbDw==
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

2026-09-17T11:26:45.642121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036381
observed e90aa75752fac590d42c67e67789494d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:45.622691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036381/manifest.json
observed cb7739dbaf0cbab017ed750d4fc7452e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:45.605563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036381/publication.md
observed c049d84f7a9549fb8915b3d6d2e65926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:45.587704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036381/publication.txt
observed 5c079cabf4190c9c690d388e1010ded8...
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.