OpenTechnical

OT-2026-000027978

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000027978) never changes.

Identity and time

Publication numberOT-2026-000027978 · never reused
Internal UUID01a0ae72-a51f-7d16-aac6-f174f487ac38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027978
StatusPUBLIC

Content hashes

Canonical text0d2021bee9e6240f16f143e98bf1f607e6db81336f0c6d1dc372746872f893ab
Markdown3261d817bed72685f094e941fad3bba9828560fb054d2ed73df5347c93be9359
PDF
Publication page247db901d741d71f7f85cbb3a90fa75501b0821ac16954982c138e279fb6d984
Manifest5025934098d7f5e3e8e8bba125025d542235dbb74add13bf169060b297f63f0f

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
Signature1jkU2WTW2oN54iJFioG8k8T/iNpe78kZ/Ei6rCApUasyqx5Viakd8ZnYffk+N6G9woTDevtl6aQ7C4B0iC9ICQ==
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

2026-09-17T11:42:10.699763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027978
observed 247db901d741d71f7f85cbb3a90fa755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:10.681649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027978/manifest.json
observed 5025934098d7f5e3e8e8bba125025d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:10.664158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027978/publication.md
observed 3261d817bed72685f094e941fad3bba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:10.646149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027978/publication.txt
observed 0d2021bee9e6240f16f143e98bf1f607...
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.