OpenTechnical

OT-2026-000045553

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000045553) never changes.

Identity and time

Publication numberOT-2026-000045553 · never reused
Internal UUID01a0ae7d-8f02-7463-a7ee-959acb7cb0fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045553
StatusPUBLIC

Content hashes

Canonical textdc57740abb57ac60051bd43b526f76db31a42d521b825b1da4731cb61b389449
Markdownb6d3b892ce57814dd6a327008f93fa2c27c682c6592a243b60b080c85e1f5f16
PDF
Publication page6dfd6451a94aef4edd2caa20cf62b6d17f07ad5da930e02ea21ba2c48d83c4ef
Manifestff054ac6aa90b7e4e804053884ef5195536730fcc8ec09a121702e6f79564c53

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
SignatureHnZI7a9ouTOtNczLaARnzHWPR0igIe6DEWtE1SfYw1gCSV66V2pQ0ozhO6D3heECCyMMyV6Tsyuo5aHenSUcBA==
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

2026-09-17T11:09:18.502213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045553
observed 6dfd6451a94aef4edd2caa20cf62b6d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.483810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045553/manifest.json
observed ff054ac6aa90b7e4e804053884ef5195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.462669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045553/publication.md
observed b6d3b892ce57814dd6a327008f93fa2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.443448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045553/publication.txt
observed dc57740abb57ac60051bd43b526f76db...
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.