OpenTechnical

OT-2026-000027346

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027346) never changes.

Identity and time

Publication numberOT-2026-000027346 · never reused
Internal UUID01a0ae72-6997-7990-a87b-187d2ae06bb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027346
StatusPUBLIC

Content hashes

Canonical text45f9212b6acb3e77f134c0e0f0993169fca5c9cfeccf4cb067d170b94c0e33e5
Markdown9c5eb7eace392c9a654798f95b8277a0f092cf2c8d7d7a48a28d888cddad5e47
PDF
Publication page075cd42ecd9215d828839bd902345a7ad907d0064612eab81172804faf6237a5
Manifeste8484615ce399b39c0421659ba8c39bec8ef46228c1be7d68b7dc38fcdc1ef0d

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
SignaturemoYEnqQtqgEHameP0boES0PZg9jsvKaZE0cBN6WTvsPtH416avd/0QWjWczYVrlEYN7oig8f5J/YZW97SaZKBw==
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

2026-09-17T11:42:45.228633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027346
observed 075cd42ecd9215d828839bd902345a7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.207577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027346/manifest.json
observed e8484615ce399b39c0421659ba8c39be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.186043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027346/publication.md
observed 9c5eb7eace392c9a654798f95b8277a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.166635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027346/publication.txt
observed 45f9212b6acb3e77f134c0e0f0993169...
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.