OpenTechnical

OT-2026-000039150

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000039150) never changes.

Identity and time

Publication numberOT-2026-000039150 · never reused
Internal UUID01a0ae78-9673-7a0a-9cbd-f1bd96573923 · 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-2026-000039150
StatusPUBLIC

Content hashes

Canonical textbdcf081c49b372709230255fa284d5715750b64eca0ef9885e2138bf0cece72f
Markdown95743239e6286040cc5f5d1b96b6529c4652f4959876a319f1cbc876f3b4ce1e
PDF
Publication page2fb4c42ef0b2fca181b7c90a23fc311a049e0694d192bfac264c245af9ceac9f
Manifest743eeb5bc354ee12d18dc314052c7efdff6816e9aa70b33c09f884485e0a9f20

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
SignaturemtC5VEswEKUxvbdX6GV6j4YlVZx2igZD/7nGjPnk1JTzx/wPbTxqWl0Qr6ONQlj7B2j7eW5kCrGc2ha8Jp9AAQ==
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

2026-09-17T11:20:39.664866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039150
observed 2fb4c42ef0b2fca181b7c90a23fc311a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.646619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039150/manifest.json
observed 743eeb5bc354ee12d18dc314052c7efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.628111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039150/publication.md
observed 95743239e6286040cc5f5d1b96b6529c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.606687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039150/publication.txt
observed bdcf081c49b372709230255fa284d571...
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.