OpenTechnical

OT-2026-000042256

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000042256) never changes.

Identity and time

Publication numberOT-2026-000042256 · never reused
Internal UUID01a0ae7a-5d73-7a7e-9459-dc2c745cf3fd · 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-2026-000042256
StatusPUBLIC

Content hashes

Canonical text90a1c9cef867d6ccf96c036800e9a9d04fdf0a97470850ead86b35a7ae01a21d
Markdown0d0379f77ec0506b27ea0e387f02829efd06b2afc965d0822a263e5b9195080e
PDF
Publication page2b574d651d5cfbf17f92ff5e612a7ba473b9e8422bd45290f5b309538bf55500
Manifest7fe8a9970f4c904b5dd828db5c938dcd18549edb76c170bc09c2e67f42906891

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
SignaturehYWLvG3ZZmAzRJW7kClGbxbzl2BHV/HYk1f+oUVoskiBsc6+p6eqgNExkpmKx4ImSL6U8TC7KBVg79aFTjFvAQ==
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

2026-09-17T11:15:56.438465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042256
observed 2b574d651d5cfbf17f92ff5e612a7ba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.420378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042256/manifest.json
observed 7fe8a9970f4c904b5dd828db5c938dcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.402470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042256/publication.md
observed 0d0379f77ec0506b27ea0e387f02829e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:56.386343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042256/publication.txt
observed 90a1c9cef867d6ccf96c036800e9a9d0...
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.