OpenTechnical

OT-2026-000015486

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000015486) never changes.

Identity and time

Publication numberOT-2026-000015486 · never reused
Internal UUID01a0ae6d-ef4a-7716-94e3-897e9650af8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015486
StatusPUBLIC

Content hashes

Canonical text7f2f0905468f9da219904cc17356fc7322acaa488a2a4c44736dce854d3bb55c
Markdown7b65bf940715bb34ef30164ad0171a8ede36ab2f717c445f3566720359ca374f
PDF
Publication pagefa06005f901ac41e1090243c054eb2911d82f56ad95abac053967e1b64a6c302
Manifestcf684220859459c07e13791934ea8c951954e695522105ba3493556e47b787b2

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
SignaturelHVoBeTJLE8oz2Krm+CYvjhobXQeXQCAurYzHlai/gwu5TjhhfSqeUO/Q8z4r1TFrcKEPoYoDl6brmG+413xCA==
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

2026-09-17T12:06:14.914994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015486
observed fa06005f901ac41e1090243c054eb291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.896322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015486/manifest.json
observed cf684220859459c07e13791934ea8c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.877867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015486/publication.md
observed 7b65bf940715bb34ef30164ad0171a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:14.859026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015486/publication.txt
observed 7f2f0905468f9da219904cc17356fc73...
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.