OpenTechnical

OT-2026-000037129

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000037129) never changes.

Identity and time

Publication numberOT-2026-000037129 · never reused
Internal UUID01a0ae77-7741-70ac-a516-282377cc104d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037129
StatusPUBLIC

Content hashes

Canonical text00f0cfe5d20e3c3c858dc3c41286a9f55c5a1095822eb3ca02535751ff2ec444
Markdownf11cd7f3a6d03b90b0a273867824fa515d9c720c248fe47f5aa3fb4cbb0489ec
PDF
Publication page90851473db2a398717b462aeb02d73d66cf1f5a73c4a9b772f9e9c2d3f7f8367
Manifest2cb4b8bd4db3b1ffbfb3af16e25c46a1aef17affaa4e9af7db8a80a8c96f44d2

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
SignatureCITB3Eg5uEtlDnz6PdF9pZGe9fEYyCnig5ixmxfLMQUSPVh4gfkM2Akmr+3IOiZPLBVsj0qF4xhm3cvIQTAJCA==
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

2026-09-17T11:25:00.110621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037129
observed 90851473db2a398717b462aeb02d73d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.094957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037129/manifest.json
observed 2cb4b8bd4db3b1ffbfb3af16e25c46a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.079618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037129/publication.md
observed f11cd7f3a6d03b90b0a273867824fa51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.063932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037129/publication.txt
observed 00f0cfe5d20e3c3c858dc3c41286a9f5...
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.