OpenTechnical

OT-2026-000017341

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000017341) never changes.

Identity and time

Publication numberOT-2026-000017341 · never reused
Internal UUID01a0ae6e-76c8-7787-9ed6-17c72b4ccbae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017341
StatusPUBLIC

Content hashes

Canonical textf511fd281c2554064af9f728e28755a98ae60b9889b82eab890a4a1b19e4d095
Markdowndcaebdbe0cefc8e35f07908192c4d2b10b2b60b1d792648b1641eaf091c396fe
PDF
Publication pagef9e0bb1a2c93576e269a5f505d1eaacf2a33715fb03bdadb185550c52a16a194
Manifest32a1fce7528a4da6bbaa93520ed71af7a341bba8678c04f07e0f542f9e66de3c

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
SignatureUjwwmmaXK43kKp2Q2L4zOcgHvhkDLq/E5twonN1/xbhomWUA3Lsfbpi9jbuNCrSdXkge8OhuLdfvwVc77a1fDw==
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

2026-09-17T12:02:27.057706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017341
observed f9e0bb1a2c93576e269a5f505d1eaacf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.039996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017341/manifest.json
observed 32a1fce7528a4da6bbaa93520ed71af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.020173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017341/publication.md
observed dcaebdbe0cefc8e35f07908192c4d2b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.001807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017341/publication.txt
observed f511fd281c2554064af9f728e28755a9...
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.