OpenTechnical

OT-2026-000013590

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000013590) never changes.

Identity and time

Publication numberOT-2026-000013590 · never reused
Internal UUID01a0ae6d-6fcb-7bef-a205-b145dfddb657 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013590
StatusPUBLIC

Content hashes

Canonical text2536dc663285df44c0c95007ce3dce833e5f1f53df45168b621fa0067c11ee84
Markdown0a48b042da00654db85782c1ef1f511b98b6b36e08d80dff1522f58778624e38
PDF
Publication page168bc74d26d601963daa2308136677f645a83628976f3ecf14f2d170f29de0e5
Manifest6263a2c96c9d0f7d5ab64ef0a9445d1acf1ae09d9eede4548a59a6eaae903827

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
SignatureblfuAsVNBw26l40vDqWs53bOuCZCb5qkLEI62QgOAloxGGPLDbDtcjq/fBkO6qHsPTPxBXbTdSXCgnY1U3lnBA==
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

2026-09-17T12:10:08.521341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013590
observed 168bc74d26d601963daa2308136677f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.505300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013590/manifest.json
observed 6263a2c96c9d0f7d5ab64ef0a9445d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.486578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013590/publication.md
observed 0a48b042da00654db85782c1ef1f511b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.466607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013590/publication.txt
observed 2536dc663285df44c0c95007ce3dce83...
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.