OpenTechnical

OT-2026-000030725

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000030725) never changes.

Identity and time

Publication numberOT-2026-000030725 · never reused
Internal UUID01a0ae74-3fb4-7ab5-8a6d-1278ff9b4235 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030725
StatusPUBLIC

Content hashes

Canonical textc218776095a5add7e364e85ba4cad982418e14e40c4b4c1ae2c144fcf802ac2e
Markdown44b67473d4e1d8aaef94b0d2ab2e0c6769243db987af7293bc4908d1fced1ca2
PDF
Publication page90206853139cce16051760c87980ed476f4c7b312ff0f6259ff145abd6847b7a
Manifest3a46176700fe3e7bc1c5d3fbd72a42335bfd0e59bfca10c75c8065fcc0e7b076

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
SignatureIWeTWOEXL1hD5x5c9UvMNHZlDw4oTkDnkrjBhhfu4soSa+ifwr0LadwCHc7CpnvO9d7tje2RwH07An3qsQfdDQ==
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

2026-09-17T11:36:38.539662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030725
observed 90206853139cce16051760c87980ed47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.521732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030725/manifest.json
observed 3a46176700fe3e7bc1c5d3fbd72a4233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.502354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030725/publication.md
observed 44b67473d4e1d8aaef94b0d2ab2e0c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.482633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030725/publication.txt
observed c218776095a5add7e364e85ba4cad982...
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.