OpenTechnical

OT-2026-000019613

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000019613) never changes.

Identity and time

Publication numberOT-2026-000019613 · never reused
Internal UUID01a0ae6f-1fb2-7ece-9220-4036589f31f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019613
StatusPUBLIC

Content hashes

Canonical text6fa3b5ae1bfe163666948c2fdaf813e345d10bf53125d7e967f673ec70605654
Markdownef0ed7a00815f981497b10d2a46ca41ebdd8aa03c194568d05885d927593aafe
PDF
Publication page4aaaaeb4e60a61bbc13061a6bda81f9d40b65e3a6d37f77e52654dc5e954eca4
Manifest1eb0c57cd9f96838bd5d742357b431ec08ad64c482ca3698cec55c415963573c

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
SignatureEqhMWB1HqQl6uW9aX2IHMlgxiEyErNEp0YBYfliXTdFEjNp8rnkBW9XvN3UAnVLhvZsFFpVNLRmJQRSZhfNlDQ==
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

2026-09-17T12:00:45.409889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019613
observed 4aaaaeb4e60a61bbc13061a6bda81f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:45.390936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019613/manifest.json
observed 1eb0c57cd9f96838bd5d742357b431ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:45.371878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019613/publication.md
observed ef0ed7a00815f981497b10d2a46ca41e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:45.355943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019613/publication.txt
observed 6fa3b5ae1bfe163666948c2fdaf813e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.755482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019613
observed 4aaaaeb4e60a61bbc13061a6bda81f9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.733946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019613/manifest.json
observed 1eb0c57cd9f96838bd5d742357b431ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.712590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019613/publication.md
observed ef0ed7a00815f981497b10d2a46ca41e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:39.690351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019613/publication.txt
observed 6fa3b5ae1bfe163666948c2fdaf813e3...
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.