OpenTechnical

OT-2026-000025485

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000025485) never changes.

Identity and time

Publication numberOT-2026-000025485 · never reused
Internal UUID01a0ae71-5fa8-79bb-a397-ea5694c00b15 · 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-2026-000025485
StatusPUBLIC

Content hashes

Canonical text7c11f84fac2b43db53b52750bd022c88f99a4fa83c0ba35b478ecbba4f35608a
Markdown340ccc1d491c28f3522ccb694e745c2e36c92d3726b51761295f11231ebafee6
PDF
Publication page1ea12275ca4b1b0a970c3ac0f81c1281176855166c2ff5f44285ddc6fc1587a6
Manifest84fb7d9da3918b6d75b7dde32e1abea9603b228f83c396b45559dbb751bbad17

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
SignatureFBNTW8EaSXluw26KK4oMDTAAfiT7Ha4PltW4QdyiKLC7OLM8z9UZXJDdUjtb8TFmY6q7wZrWwqw+ObPQHb3GAg==
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

2026-09-17T11:47:34.658563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025485
observed 1ea12275ca4b1b0a970c3ac0f81c1281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.642233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025485/manifest.json
observed 84fb7d9da3918b6d75b7dde32e1abea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.623993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025485/publication.md
observed 340ccc1d491c28f3522ccb694e745c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:34.605403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025485/publication.txt
observed 7c11f84fac2b43db53b52750bd022c88...
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.