OpenTechnical

OT-2026-000038731

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000038731) never changes.

Identity and time

Publication numberOT-2026-000038731 · never reused
Internal UUID01a0ae78-769e-7d36-819e-8a4004e24d2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038731
StatusPUBLIC

Content hashes

Canonical textaedb0b45b4dcdea6aeeff26988e7556ffa9fc70f7f4d39b79ab3d01e5bb78705
Markdown84a7bfa1c86ef21fe49b7ed576e76c5b84e4c6c4ad71640adc71a13d49a094e0
PDF
Publication page0cea4a86f2f7296be6114ebd2f67542de386659841062c5e1638610d331e14c3
Manifest2bfd3ea73334c8d262f5ee64e163318207a04d557019a465c8fdb625addf211f

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
Signature/9QcrZ/Bc4BiYcN7lijsCt/TQ5aPOA225Yx2VgGhWRX+H+0GYNfV+T8sGux3d//Uqkmg4RxkHiBHNLB35XLdBQ==
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

2026-09-17T11:21:15.623971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038731
observed 0cea4a86f2f7296be6114ebd2f67542d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.604620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038731/manifest.json
observed 2bfd3ea73334c8d262f5ee64e1633182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.587726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038731/publication.md
observed 84a7bfa1c86ef21fe49b7ed576e76c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:15.569515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038731/publication.txt
observed aedb0b45b4dcdea6aeeff26988e7556f...
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.