OpenTechnical

OT-2026-000025440

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000025440) never changes.

Identity and time

Publication numberOT-2026-000025440 · never reused
Internal UUID01a0ae71-5fa7-7d98-be3b-e8da61956a9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025440
StatusPUBLIC

Content hashes

Canonical text14d3fed28d3a4729327f1856f593606b9483f1209503ff07f1f243ac2dd122e3
Markdown3b3d00e7be6462cf47a80272615f4505cfe8bba180ec76ac639cc8419c443d04
PDF
Publication pagef0b768e8f28763a1cf50cfc28c641c68913043b97018eec53973454d03210d53
Manifestdc74d0ae0b9e5aa60cc569b6bb5fc37dd9bd7afbc9da9559d0a75b89353e8474

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
Signatureoa0fumrKwnItn9wKdO2DScPhNC3vNhU2yQqM1FpqE5lTofrRPkrSv7eCareKrLUaV9fP8mta8tyJmTkoZAqAAg==
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

2026-09-17T11:47:31.216648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025440
observed f0b768e8f28763a1cf50cfc28c641c68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.197603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025440/manifest.json
observed dc74d0ae0b9e5aa60cc569b6bb5fc37d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.163463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025440/publication.md
observed 3b3d00e7be6462cf47a80272615f4505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.132377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025440/publication.txt
observed 14d3fed28d3a4729327f1856f593606b...
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.