OpenTechnical

OT-2026-000039142

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000039142) never changes.

Identity and time

Publication numberOT-2026-000039142 · never reused
Internal UUID01a0ae78-9673-716a-8770-8d31fcc2292b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039142
StatusPUBLIC

Content hashes

Canonical text2ce32f26356022fd17ec82c99dfb79e31c551e494fc2ef71fc471fd2c205a275
Markdown59e02e78dbf528d3294860fbf8388ae26248d6bec3b8fe42bb39795b63b96694
PDF
Publication page0f3d7bbed65ffdb50bf718ef8f3e272699daa7d082996e3fdd7c67bd507a3c7c
Manifest6f435c745a80b35910a273072593aa6f5c2c1cd570c062955efd55e82ceee413

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
SignaturefByX1gQ7Mkm3koejWz+tnhoxbVwSVYVa8dt7QSeOJNGwgJFn4oE53NFcOVEbUbqFe0wLTWGWYcRWM/PBECEpBg==
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

2026-09-17T11:20:39.218070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039142
observed 0f3d7bbed65ffdb50bf718ef8f3e2726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.201154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039142/manifest.json
observed 6f435c745a80b35910a273072593aa6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.185041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039142/publication.md
observed 59e02e78dbf528d3294860fbf8388ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.167451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039142/publication.txt
observed 2ce32f26356022fd17ec82c99dfb79e3...
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.