OpenTechnical

OT-2026-000077238

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000077238) never changes.

Identity and time

Publication numberOT-2026-000077238 · never reused
Internal UUID01a0ae94-f508-7c20-b531-72e6255a2da9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077238
StatusPUBLIC

Content hashes

Canonical text175a5301e802a0c1c4985a925d58ab7ca4065e59e7a13cd44244014664d86a8c
Markdowne94b39276914e5a137b7931a381dff08f8b9d580885a38b01e6755eb95471ab2
PDF
Publication pagef878e9a146dd134af6d985034be2973c56ef8d5eb573824448d14793dd46fc42
Manifest3b97daabb3230b77a3c455754f96155fd324ab2d01f57fbfbd50bd066515859d

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
Signature1YgB7brZS06+UoKQ73b08TJKoiqEEOOvtLmJqQw0HTFarATD176JSTjJdmuNVqLE6b/odfnAEsU7avvS5QXZBw==
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

2026-09-17T10:08:51.143483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077238
observed f878e9a146dd134af6d985034be2973c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:51.123293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077238/manifest.json
observed 3b97daabb3230b77a3c455754f96155f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:51.104956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077238/publication.md
observed e94b39276914e5a137b7931a381dff08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:51.086462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077238/publication.txt
observed 175a5301e802a0c1c4985a925d58ab7c...
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.