OpenTechnical

OT-2026-000066446

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000066446) never changes.

Identity and time

Publication numberOT-2026-000066446 · never reused
Internal UUID01a0ae8e-ce40-7495-a6e5-eb7830c3b8c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066446
StatusPUBLIC

Content hashes

Canonical texta71d2addc56173829f9cdaae9999e2d393ed30a89e5de2c2bf3afb71c227013f
Markdown4535043987e7605237062aabcef8d00687373675938cd283f71bc03476edfcf2
PDF
Publication page4e27f2a70133adddc82d1fa37e6f83a61683819e578c651ee17492a8759b53d1
Manifested0cebc1b95c9f63e7abc03e3a37ccc832ffaa37bb71e9ba4bde2fe4e79d5aa9

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
Signatureizk/W7Ni/r+CDtM09mzOx56dMUZEuvT4E2NoWoW3igj3C2tbcCi5sjPHc9P1asjEr+LD41vDwge2lZaqRhrzDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:41.578191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066446
observed 4e27f2a70133adddc82d1fa37e6f83a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.562857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066446/manifest.json
observed ed0cebc1b95c9f63e7abc03e3a37ccc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.544811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066446/publication.md
observed 4535043987e7605237062aabcef8d006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.528175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066446/publication.txt
observed a71d2addc56173829f9cdaae9999e2d3...
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.