OpenTechnical

OT-2026-000074481

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum 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-2026-000074481) never changes.

Identity and time

Publication numberOT-2026-000074481 · never reused
Internal UUID01a0ae93-717a-7b05-918e-11f6c7b663ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074481
StatusPUBLIC

Content hashes

Canonical textcbb800a1c4f6c99b8da3c3d8e90eee9c4db7d474f43f9462130700947101b167
Markdown1a0ebb19a67206599b548ce69221035d9bb646506963bedcb09af38a1efaa93e
PDF
Publication pagefb7660a1b0294afe83b57b9f737039107d1467281a8802ddbfca736cfb681bb8
Manifeste214ada28c20a9075075cb105e2f95db7668c684e9e01615e63381ce154cf619

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
SignaturerF5kevbxbEpOsT6iZzC0PNbszv6TNc6htb5v+wQdDKHk4qTxBfdYcfq0Mo0Ng1wiGtOR2INMHY0tdVH+oSqUBw==
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

2026-09-17T10:19:26.746176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074481
observed fb7660a1b0294afe83b57b9f73703910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.726788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074481/manifest.json
observed e214ada28c20a9075075cb105e2f95db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.704769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074481/publication.md
observed 1a0ebb19a67206599b548ce69221035d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.685956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074481/publication.txt
observed cbb800a1c4f6c99b8da3c3d8e90eee9c...
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.