OpenTechnical

OT-2026-000030872

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000030872) never changes.

Identity and time

Publication numberOT-2026-000030872 · never reused
Internal UUID01a0ae74-3fb5-7ed8-a5c7-9dd61d1980cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030872
StatusPUBLIC

Content hashes

Canonical text5eb70e3db3630e767b4d0e530b932223457dcee7e3cc89dd68506dfb8b219078
Markdownc88549ec6088d86d17b24a70320448b0a3e24844b43525d09b82eecc8f96fef0
PDF
Publication pagec8d5a126b41c21ddfda9c35994598532a387f9683e5534daa58025767624ff2c
Manifest303672dc7ebf1c5fe271d252a43f2353b028c70595a998495a49c317cea39898

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
Signaturez2jYoeecfL6GcSW+8LPbS1iZTsqYYvExGZAL5wHVwECNebaMYMp71soZ/ZXW5byH26bfR74jKWRvKRuwLYcQBQ==
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

2026-09-17T11:36:51.101051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030872
observed c8d5a126b41c21ddfda9c35994598532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:51.073386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030872/manifest.json
observed 303672dc7ebf1c5fe271d252a43f2353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:51.056602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030872/publication.md
observed c88549ec6088d86d17b24a70320448b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:51.038328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030872/publication.txt
observed 5eb70e3db3630e767b4d0e530b932223...
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.