OpenTechnical

OT-2026-000034341

Publication integrity record

Single cup vacuum gripper, 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-2026-000034341) never changes.

Identity and time

Publication numberOT-2026-000034341 · never reused
Internal UUID01a0ae75-df0e-7f3d-85bb-410b6a222aeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034341
StatusPUBLIC

Content hashes

Canonical text6062ec113bb6cd0675a0ea7053018d2dd393a1ee0f170656d08491a869de4d33
Markdown8f2e2957299d1a8fce4307c677dc1bb47e2b870afcdc2beba7836fe11ded3ae9
PDF
Publication page55838c33595346e8f617c0ef6b5452e8be9ed56ceeca793ba89f2303eef1248b
Manifest8a90a8ce6d62288c67e3ed5495c7d1950fcc6220f09ebb230f02fae88e7b3fce

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
Signature3DeM1OGqvU9u/h2zSfk6h3y88EkamYLmKLEJJduw2w+wE5dovwwabwDtT09W3I9hcwbXDKodvK2nKsNLEcpEDA==
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

2026-09-17T11:31:02.403594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034341
observed 55838c33595346e8f617c0ef6b5452e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.384920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034341/manifest.json
observed 8a90a8ce6d62288c67e3ed5495c7d195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.366969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034341/publication.md
observed 8f2e2957299d1a8fce4307c677dc1bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.348222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034341/publication.txt
observed 6062ec113bb6cd0675a0ea7053018d2d...
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.