OpenTechnical

OT-2026-000045190

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000045190) never changes.

Identity and time

Publication numberOT-2026-000045190 · never reused
Internal UUID01a0ae7c-f769-72f2-a70b-2dca88dbff10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045190
StatusPUBLIC

Content hashes

Canonical text822582647b50da1f95cf30cb6d602d99c2e13445a077c5841c32bf8d1cffc682
Markdown321f2b48276ec8f180f643c36d8bdad0fe1819e1bce17d48c1cb635d48252160
PDF
Publication page5d4cb269a7081a08f5c0203b2ac0226064828a7df757aa817a3ab14473f57ffd
Manifest525b4d739ec83dc922e25d48baee1753b80f60f7607b766c2f15af7054f4df85

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
Signature7I0asHR9CRGq9Z1GqypeGPgj9RYVHFx5KTg71Odfeq75jHK4XOquWSu0hnvpGG3LZRBFjSR4QBO5o/m+KN8lAQ==
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

2026-09-17T11:10:21.773884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045190
observed 5d4cb269a7081a08f5c0203b2ac02260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.751073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045190/manifest.json
observed 525b4d739ec83dc922e25d48baee1753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.730321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045190/publication.md
observed 321f2b48276ec8f180f643c36d8bdad0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:21.708437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045190/publication.txt
observed 822582647b50da1f95cf30cb6d602d99...
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.