OpenTechnical

OT-2026-000054150

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000054150) never changes.

Identity and time

Publication numberOT-2026-000054150 · never reused
Internal UUID01a0ae85-b3a8-767b-a0bb-93039081af00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054150
StatusPUBLIC

Content hashes

Canonical text99d0f32c4f77d599bdb363a5c1b7b8abec02ea1f11e52fd34de0ffe2b068e1c7
Markdown72b7f7829d05995dafe54fb919f0263d356586905e16381b5b2fdb9272aba779
PDF
Publication pagef99be12d481be3a4e957c5722d75a96409af36a4a5317e0fb7de94ec0c58343b
Manifestf35a1c4177d0a88d23b33ca3b702d36e7ada18eb1bda6923ca206ba40ee3f52a

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
SignaturesnSvYtlmt+zLYEj41hYlBYnTj/YqPf3epLjBIPRjZU1waY0h1s8NolVI6WAZLDOudTjKVQJxthkskbPXtuCwAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:35.468361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054150
observed f99be12d481be3a4e957c5722d75a964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:35.449957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054150/manifest.json
observed f35a1c4177d0a88d23b33ca3b702d36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:35.431350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054150/publication.md
observed 72b7f7829d05995dafe54fb919f0263d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:35.412290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054150/publication.txt
observed 99d0f32c4f77d599bdb363a5c1b7b8ab...
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.