OpenTechnical

OT-2026-000041065

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, sustained blow-off after 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-2026-000041065) never changes.

Identity and time

Publication numberOT-2026-000041065 · never reused
Internal UUID01a0ae79-b141-7452-86ed-3f11ff6d7e95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041065
StatusPUBLIC

Content hashes

Canonical text5d4b61218146f5c3dc3a9d1d01a9b9a3d6fbc352bc17461c244995f0222a08a4
Markdown3c92cf0cf0913b66b9f789825452ef2f37fe0178136f1b9aae8c1cbad9bdd8b5
PDF
Publication pagec2bd58caf934ba1643084fe18f10897c403d20b985c06ed8b97122accfffdc92
Manifestfdd635e3d6fea5e6a01d744f63de0205022be3165704d8f6c685832e1fb507e5

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
SignatureitAt8vfAVdCkqr4hbjfQVmi//bI6BGiYO71GFXrPLrwmWLZF6TkaYae9qBaJeZR60NsGTGvzX8/P46MGr6rtAw==
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

2026-09-17T11:16:58.753917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041065
observed c2bd58caf934ba1643084fe18f10897c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:58.738509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041065/manifest.json
observed fdd635e3d6fea5e6a01d744f63de0205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:58.722261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041065/publication.md
observed 3c92cf0cf0913b66b9f789825452ef2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:58.706450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041065/publication.txt
observed 5d4b61218146f5c3dc3a9d1d01a9b9a3...
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.