OpenTechnical

OT-2026-000023609

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down, on a tool changer

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-2026-000023609) never changes.

Identity and time

Publication numberOT-2026-000023609 · never reused
Internal UUID01a0ae70-aed3-7039-a9f3-1340134f990f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023609
StatusPUBLIC

Content hashes

Canonical text3742d1f18224ea9e9dd58403ea14df08402b9cb850303f5f46309f00888a516e
Markdown10bca7a62e627b1f00bc45f9ddb1b73b2ab028028977d040dd7433bd5ee05120
PDF
Publication pageab27dcb3c8ceabbd9e2a4caced8e43f16dc1131dcdb8deb0fb24695e8c9841d0
Manifest53cd9b65df94bb7b8dfb6c3a39eea081b9bd0ba4ec3e6ac6f3c5b755f36d8939

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
Signatureb0q9BnVWfD+HVIrD5sgB4Jr8LUgJ+lUCYOvKPPBGyDGr98rc4Z18Z1ByIMzm66iUUmoYP+oKreQLaQ0iTSSeAw==
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

2026-09-17T11:49:48.695266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023609
observed ab27dcb3c8ceabbd9e2a4caced8e43f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:48.678875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023609/manifest.json
observed 53cd9b65df94bb7b8dfb6c3a39eea081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:48.661675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023609/publication.md
observed 10bca7a62e627b1f00bc45f9ddb1b73b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:48.645733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023609/publication.txt
observed 3742d1f18224ea9e9dd58403ea14df08...
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.