OpenTechnical

OT-2026-000023882

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000023882) never changes.

Identity and time

Publication numberOT-2026-000023882 · never reused
Internal UUID01a0ae70-aed6-74dd-9fb6-447f34f40598 · 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-2026-000023882
StatusPUBLIC

Content hashes

Canonical text56f8a0acbb8b8ed1ae63cb587287a39994e29d9db10d3a68d49106a3a1e01069
Markdown8ac757f44c40675edfc95c6ea648ca2713b4b5a8717bd4550184d049110bfb89
PDF
Publication page27cb11175944f07df4f209f8dce93d2fa21c04bbc0f739255dc9263815953465
Manifeste9d5b27827d9831b708ca0f761ffe4bd72d1592c8f02deae807e11049db8392b

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
Signature1z1Z2iOlRSZbA0edmtP7ZVnqXtUYoeldqNOAxNzMQvxKvnJL1SE158lqeNv34jSCuU+CwmIjU18FGT41dPwoAA==
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

2026-09-17T11:50:29.505925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023882
observed 27cb11175944f07df4f209f8dce93d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.489862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023882/manifest.json
observed e9d5b27827d9831b708ca0f761ffe4bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.472693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023882/publication.md
observed 8ac757f44c40675edfc95c6ea648ca27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.456587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023882/publication.txt
observed 56f8a0acbb8b8ed1ae63cb587287a399...
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.