OpenTechnical

OT-2026-000071747

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000071747) never changes.

Identity and time

Publication numberOT-2026-000071747 · never reused
Internal UUID01a0ae92-1e91-7d37-8533-e5a8dbdef953 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071747
StatusPUBLIC

Content hashes

Canonical texta6c5b1161b762ab0627992540977dc0a4c49fa55b7db83f6d80201162fbbec25
Markdownd95a3b257ecd1e0d5fd5078692deea22e254f8ae829daec1c4ef7e236a44e938
PDF
Publication page464b45cb1403d8c00ca0c87ef8b6423ffb415e6324727d67d77fc60541848bec
Manifestaa1ac9d4bf78e59643e4d90498ce684b8055738c301c544eb622980226120689

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
SignatureiSXP5kQQ1PgsVklPciWgYbwBachZiCMaWDlxI7Fd/tccPMze1My6Bnqnlk/fMf10boD6rWVVOu1wnJT8PYVWAw==
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

2026-09-17T10:23:54.404301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071747
observed 464b45cb1403d8c00ca0c87ef8b6423f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.386728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071747/manifest.json
observed aa1ac9d4bf78e59643e4d90498ce684b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.369666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071747/publication.md
observed d95a3b257ecd1e0d5fd5078692deea22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.350882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071747/publication.txt
observed a6c5b1161b762ab0627992540977dc0a...
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.