OpenTechnical

OT-2026-000042296

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000042296) never changes.

Identity and time

Publication numberOT-2026-000042296 · never reused
Internal UUID01a0ae7a-5d73-798e-be9c-0920c52185ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042296
StatusPUBLIC

Content hashes

Canonical text19cc7c029aca87c83a1e27b8237af5a215a9ccd10e325d8d915a32e0dc8cce05
Markdownd48906a84f210e76888a51155e41e27eae5724d5dc6af4f3b5a49a399b34fa02
PDF
Publication page9c30ae0f73127e1893372c28cb551f6b3d94957f337428395eeb0cc7938c649b
Manifest0fe8f510e27b64de6ab7fd0d21a4ffc62e1ed3e6d2b91638039b58138dc4e8ea

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
SignaturenEiMGtrWwlg1IEVc2OrYNzkNIkLU9VreyGHnqrORjvWnSIvbhKGNbyvUxZLKrkKNjD/iPDmShgGzWt1TytvuCA==
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

2026-09-17T11:15:59.632527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042296
observed 9c30ae0f73127e1893372c28cb551f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.615007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042296/manifest.json
observed 0fe8f510e27b64de6ab7fd0d21a4ffc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.588328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042296/publication.md
observed d48906a84f210e76888a51155e41e27e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.563617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042296/publication.txt
observed 19cc7c029aca87c83a1e27b8237af5a2...
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.