OpenTechnical

OT-2026-000062831

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000062831) never changes.

Identity and time

Publication numberOT-2026-000062831 · never reused
Internal UUID01a0ae8c-94a7-7e21-97d3-ad71af4a1394 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062831
StatusPUBLIC

Content hashes

Canonical text50188b524d7436aac6743bf60f0f1be98d16955c6566eac2d3dd774552a0d50b
Markdownae855ecb002b95be272d64d4cf99941458257ee42fbed5e02f7bb08e52daa474
PDF
Publication page44dcb5a00a39660e8d5288f468295327f3b5cf4acca1a11a8795106b0ef4cce5
Manifest6a72b1c3883f7211ef983df4e163e58057145fa1afdbbde88cc90cf1ba6a4605

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
SignatureQdR/YmCkADpzWzGhhka61MRPXWHRKxodM7oyeG/tvfMIbndvr1HYAIqgSrTS0pLOugKD1GiBSuob4v5jv0p1Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:08.895244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062831
observed 44dcb5a00a39660e8d5288f468295327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.871209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062831/manifest.json
observed 6a72b1c3883f7211ef983df4e163e580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.842343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062831/publication.md
observed ae855ecb002b95be272d64d4cf999414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.820590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062831/publication.txt
observed 50188b524d7436aac6743bf60f0f1be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.348004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062831
observed 44dcb5a00a39660e8d5288f468295327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.328938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062831/manifest.json
observed 6a72b1c3883f7211ef983df4e163e580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.301950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062831/publication.md
observed ae855ecb002b95be272d64d4cf999414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.283097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062831/publication.txt
observed 50188b524d7436aac6743bf60f0f1be9...
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.