OpenTechnical

OT-2026-000046104

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000046104) never changes.

Identity and time

Publication numberOT-2026-000046104 · never reused
Internal UUID01a0ae7e-032b-7f33-903e-13a5c86e085d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046104
StatusPUBLIC

Content hashes

Canonical textcc7cbeeb35d4fd889af73d18b29e136381fcb985a0ddb9956e154e5e0e8d2d74
Markdownb6ab00ee55e985dfebb76dc7e1220217c0146194eaaada7df74e121b537e1f6e
PDF
Publication page6d99d207a156e56a0f2ccaad0b154e641d6a72b650372f1757654e82dfc3d455
Manifest0bb292f2dcd07ff6f126ba2113528b8d0b2cf52555a417625ed3c30897baad2f

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
SignaturewSbWKVEc6ooJbHhP3X/LcEJnfa9R6naowSsQGc3Hx5xIFQbGfmClKsOZFhUWNAxBfBjY7/YPBME99orWWYFaDg==
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

2026-09-17T11:09:04.949718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046104
observed 6d99d207a156e56a0f2ccaad0b154e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:04.931920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046104/manifest.json
observed 0bb292f2dcd07ff6f126ba2113528b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:04.914499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046104/publication.md
observed b6ab00ee55e985dfebb76dc7e1220217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:04.897667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046104/publication.txt
observed cc7cbeeb35d4fd889af73d18b29e1363...
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.