OpenTechnical

OT-2026-000041370

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, sustained blow-off after 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-2026-000041370) never changes.

Identity and time

Publication numberOT-2026-000041370 · never reused
Internal UUID01a0ae79-b144-7542-98e9-d3aeb53bd7d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041370
StatusPUBLIC

Content hashes

Canonical text4f609d9bd8c9978bb0df171d6a04a3afe5fce81a98eaf0441a714858130044a9
Markdown4f6ed5a7c0ce8ec7ae0a7aedce6f90ec304101eb5bfdda3abecf5381d4bd303d
PDF
Publication page81780ea409dd925b8e93d1c03c470100d1164d0909a372a984b00a896b9190a9
Manifest7e4533c5a19f6517d6bf5923bdead5cb29ed278394a241bfaed0342ff53d993f

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
SignatureBAGTo/jNwMlpUzVIw2I2ARUsSDNfJovlOpIPMEVqd1hAO6BEqpXMl3rSjr/LH+TPc95BxZ5k5yHq2nfeIcT6CQ==
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

2026-09-17T11:17:22.522528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041370
observed 81780ea409dd925b8e93d1c03c470100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:22.505278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041370/manifest.json
observed 7e4533c5a19f6517d6bf5923bdead5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:22.488589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041370/publication.md
observed 4f6ed5a7c0ce8ec7ae0a7aedce6f90ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:22.470932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041370/publication.txt
observed 4f609d9bd8c9978bb0df171d6a04a3af...
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.