OpenTechnical

OT-2026-000013445

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000013445) never changes.

Identity and time

Publication numberOT-2026-000013445 · never reused
Internal UUID01a0ae6d-6fca-78ac-82b9-67d8a2b8ca00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013445
StatusPUBLIC

Content hashes

Canonical texta3ef72f15bdedff43d5071c8be869ae0325bb98031aafc1428903c36b83b440c
Markdown24482b71d7a67854c6590c8c1fca977f5f7cbc949050d4a7fae6a1ef8b9f55af
PDF
Publication page3f4b9e05abab49b8d1face6a7b0f5d68fa0210e1dc1fe1c9116e47008235b049
Manifest341d1c54ac78301729bbd7c080696822ab229492bcb0b3be7d70f4902dc799b7

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
Signature3FqfqBAvLCxREGOQsxVHJjz2RjaVgeNFg1F49hKqEQYfMp/1Mgu6EzGo7MiHf2Y//FJ5x2wZ5PawhBHJtgJ8AA==
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

2026-09-17T12:09:56.135268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013445
observed 3f4b9e05abab49b8d1face6a7b0f5d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:56.117409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013445/manifest.json
observed 341d1c54ac78301729bbd7c080696822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:56.097331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013445/publication.md
observed 24482b71d7a67854c6590c8c1fca977f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:56.079819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013445/publication.txt
observed a3ef72f15bdedff43d5071c8be869ae0...
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.