OpenTechnical

OT-2026-000023902

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000023902) never changes.

Identity and time

Publication numberOT-2026-000023902 · never reused
Internal UUID01a0ae70-aed6-7c38-af27-d2bae6a9669e · 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-2026-000023902
StatusPUBLIC

Content hashes

Canonical textc540856a88ac0c40e7927f62b9b7c9bb6ff8caaeb4107a324baa873784dee034
Markdownd4612a4646bce8d3cbc968e54591b18539395eb0930f8f8288771565c1a097be
PDF
Publication page29201994b1f0747f8448b0cfa4ce3208b947c2fae36b9043e5bca5ba7d00b590
Manifestafd049ab93c2181c2c8ee9db8d98955ae73edd961b068bdba668ced45e26cf35

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
SignatureZV0hW9lguUcZSVoYne4MYkjtBzYhf8M7IRW8KnfPhxeY6dp47luN+1xFBa2SkTb1jdWrAaZ0T8y8XroEmpbpBg==
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

2026-09-17T11:50:31.121346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023902
observed 29201994b1f0747f8448b0cfa4ce3208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:31.103920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023902/manifest.json
observed afd049ab93c2181c2c8ee9db8d98955a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:31.085228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023902/publication.md
observed d4612a4646bce8d3cbc968e54591b185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:31.066664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023902/publication.txt
observed c540856a88ac0c40e7927f62b9b7c9bb...
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.