OpenTechnical

OT-2026-000064156

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000064156) never changes.

Identity and time

Publication numberOT-2026-000064156 · never reused
Internal UUID01a0ae8d-a45f-776d-9f48-1d674ed75d41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064156
StatusPUBLIC

Content hashes

Canonical textb11b2a7262e2f85107554b722d7d3242346ca3d3cee273fb605910357f412517
Markdownc8212d53392d624e128dc2f466fc2dfcee8d154b1d0fc1a010ec80267dac77d2
PDF
Publication pageca51665728aac2bcd30d88ff6883c9ad0aa395dc4d9221e2a22cbb3b1714d801
Manifestc13238e7f6f4a38321b72ad498b9704c61af9c1ae91fcc74acd9b2e7ca358c41

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
SignaturerWmqvkoFSJduAmiMMFLBgSw8JGnjKxL5poiHuhJ+/dXR749oMUn3axx7yamFtsWaN+1wZnFt85WXSr3PF2KuCQ==
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

2026-09-17T10:36:09.852998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064156
observed ca51665728aac2bcd30d88ff6883c9ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:09.833114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064156/manifest.json
observed c13238e7f6f4a38321b72ad498b9704c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:09.809710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064156/publication.md
observed c8212d53392d624e128dc2f466fc2dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:09.791184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064156/publication.txt
observed b11b2a7262e2f85107554b722d7d3242...
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.