OpenTechnical

OT-2026-000066725

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000066725) never changes.

Identity and time

Publication numberOT-2026-000066725 · never reused
Internal UUID01a0ae8e-ce42-70a9-8cac-cc10c1d4ab81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066725
StatusPUBLIC

Content hashes

Canonical textd41c87a47c19e6c47bb8a27f4632124a30347bae04b8b9f80f84e40b992d38a8
Markdown3afce2e088f07df8d6c82cfa3afbddadd59ed69bb7acc8ef73b848bb74f1ef3f
PDF
Publication pageeab2cf2ff834c6814a3060ef5497028f2524375c964147b9a915c0d0999cafca
Manifeste1da0390f51edbb49c1b219cd4e7dea1b47e8b831a10acc044ce4122c2b174bf

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
Signature0ez3BE1LLhORsSL7QbNKmyb9+KyrffXEyOO/NgJGKi5A8ajPCBgSD6e+JO9xi1trdVp6MLSfejjMjLrM3bRACg==
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

2026-09-17T10:33:07.829106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066725
observed eab2cf2ff834c6814a3060ef5497028f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.809960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066725/manifest.json
observed e1da0390f51edbb49c1b219cd4e7dea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.789763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066725/publication.md
observed 3afce2e088f07df8d6c82cfa3afbddad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.769860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066725/publication.txt
observed d41c87a47c19e6c47bb8a27f4632124a...
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.