OpenTechnical

OT-2026-000030525

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000030525) never changes.

Identity and time

Publication numberOT-2026-000030525 · never reused
Internal UUID01a0ae73-e504-7e63-b295-50de2f1178a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030525
StatusPUBLIC

Content hashes

Canonical text463996135c4d95dec7ce1cc9a200af4ba30847450553eb66c91629b44ce08820
Markdownb27f75d7b6fcd554e7f973e320010ca3ffaff1d806872c5ae5505cf03d1c93f0
PDF
Publication pagec2801a8e37729eafabcab7a7440defb90c52458b1249eb269c11c542687a3968
Manifest3f748d6dfb457826b76d572437a651d3310955d8276ef8cbcf9b8174f37976e2

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
Signature+lBJRO0KdBvlNCWldOF+xWaLqVS/5LyvGxKQmcBgE1oO7bW6Bp8bFBcNsHOVMBgJdbkfGZjnCHFGB5+jyWaODg==
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

2026-09-17T11:38:23.600599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030525
observed c2801a8e37729eafabcab7a7440defb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.582931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030525/manifest.json
observed 3f748d6dfb457826b76d572437a651d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.564147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030525/publication.md
observed b27f75d7b6fcd554e7f973e320010ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:23.549334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030525/publication.txt
observed 463996135c4d95dec7ce1cc9a200af4b...
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.