OpenTechnical

OT-2026-000078065

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000078065) never changes.

Identity and time

Publication numberOT-2026-000078065 · never reused
Internal UUID01a0ae95-6e8c-7004-beb7-e508a8f54e88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078065
StatusPUBLIC

Content hashes

Canonical text663d164d300b379fe6e2cc6d3b4dfa9cb8708e84f31f2a72b39ad94e47261393
Markdown24d0b2cfaea908c01078d01c2847cb4a5bb72b2c3017d110fd211b126a52e7fe
PDF
Publication page0f77ada9fc5aca469e896f723c94794124addab8d90b8d133cd6f7ddca711c65
Manifest9e8d2c8675fc29d2ea72df090cb5876f5b5abcdd4d36f3faa310252f3a925a8b

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
SignatureUMt5aKBIwxw9IkqGqa2Sm2otlUsea9Gujr9CuwbrDJf4BlsZA2hPmpus+iiVVfInCh6oVid4Vxe0f4oq2/SLDA==
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

2026-09-17T10:06:46.285291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078065
observed 0f77ada9fc5aca469e896f723c947941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:46.266074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078065/manifest.json
observed 9e8d2c8675fc29d2ea72df090cb5876f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:46.246768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078065/publication.md
observed 24d0b2cfaea908c01078d01c2847cb4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:46.220731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078065/publication.txt
observed 663d164d300b379fe6e2cc6d3b4dfa9c...
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.