OpenTechnical

OT-2026-000071753

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000071753) never changes.

Identity and time

Publication numberOT-2026-000071753 · never reused
Internal UUID01a0ae92-1e91-7137-98ae-e379d203b415 · 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-2026-000071753
StatusPUBLIC

Content hashes

Canonical text54c82f55be33b680cea072a77e91dd31f483ae1358acd5577449f9a915fffa89
Markdown09c4a7e19e4bca566d224c625b9b2d6f2c4c0bdfaed6c87f9e016b15c6924f67
PDF
Publication pagee0c68f9ab38254ed8917652a7be9c598395d620c02ade31e0c858e0e604bd18d
Manifest0e04c962808b47892963dfdcce1e9b0cb98c960a53d2fad13047911999a23d29

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
Signature8mN/j000RLQxRo7G4aQy9vOmUiH+/p92n8uADVYYCvOI4vHXIrQzrjEisrzCgf/gF4/vOOGM/MafMBTBdtxlDQ==
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

2026-09-17T10:23:54.851460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071753
observed e0c68f9ab38254ed8917652a7be9c598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.833872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071753/manifest.json
observed 0e04c962808b47892963dfdcce1e9b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.816580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071753/publication.md
observed 09c4a7e19e4bca566d224c625b9b2d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:54.799404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071753/publication.txt
observed 54c82f55be33b680cea072a77e91dd31...
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.