OpenTechnical

OT-2026-000044344

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000044344) never changes.

Identity and time

Publication numberOT-2026-000044344 · never reused
Internal UUID01a0ae7c-39d6-7b2c-aefd-525273a4abb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044344
StatusPUBLIC

Content hashes

Canonical text540debeb5032dadb9e35105c3eac65f7493708193938035cf8809266ea3ece6c
Markdown3c2932437327ffc9ad52ae9e6ccf42342a348436df236ad0c1013491f5b599db
PDF
Publication page3b5ca3bb966e831d093512848d9e113c157983f0b01211ff4b2697f8ab5acd6a
Manifest481d92c8ac644a4e48b16d8c3899d85143a2b7b513cd12f61373f5cfda1b9eab

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
SignatureFcmXh1u8J5NKaJoX1DqDpsWdEqV/lsjgOLHsWfvtlVFodRWdx5tvl1tpe8PSye5gDogUBcdwiAYWtGMGG06HBA==
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

2026-09-17T08:30:24.768268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044344
observed 3b5ca3bb966e831d093512848d9e113c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:24.745512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044344/manifest.json
observed 481d92c8ac644a4e48b16d8c3899d851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:24.725179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044344/publication.md
observed 3c2932437327ffc9ad52ae9e6ccf4234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:24.579154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044344/publication.txt
observed 540debeb5032dadb9e35105c3eac65f7...
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.