OpenTechnical

OT-2026-000025179

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pulsed 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-2026-000025179) never changes.

Identity and time

Publication numberOT-2026-000025179 · never reused
Internal UUID01a0ae71-5fa5-7be8-9823-62ea4f0a72da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025179
StatusPUBLIC

Content hashes

Canonical text9c60deaacc117c488f48b211a075598537e04821dc7b4fd645eae59fc4362583
Markdownccd571b038c261606fa271cdb130f135f73124486451b67034dfc75b3624608d
PDF
Publication page368c9332edc19142ace2c8f2cc0b85106833bca2ec79ee440f810ce6c7f7c661
Manifest2217b8f3b6d5ff697c5f9d6022aa521c8209f8e6d083ffd755a8a042b272788e

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
SignatureLRFuXQDvnPA5e4HO+WE3aIEOHVPhJZl24rJ7xO8pIZkfIAiMJm6SZnw6jaHRDl+w9/xsfFza1yge9Xpf9NdLAA==
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

2026-09-17T11:47:09.589770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025179
observed 368c9332edc19142ace2c8f2cc0b8510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:09.571777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025179/manifest.json
observed 2217b8f3b6d5ff697c5f9d6022aa521c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:09.550714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025179/publication.md
observed ccd571b038c261606fa271cdb130f135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:09.529605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025179/publication.txt
observed 9c60deaacc117c488f48b211a0755985...
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.