OpenTechnical

OT-2026-000039715

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000039715) never changes.

Identity and time

Publication numberOT-2026-000039715 · never reused
Internal UUID01a0ae78-d8d5-77a2-9224-44964850af35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039715
StatusPUBLIC

Content hashes

Canonical textab4ba01f3d9c23d42202dc0cddf66fcb1e129c146966b7918057deb5ed2fa34c
Markdownfe30eba63c82f770586c84533fd55915eecfd885021fc6a54e7344e7d18b2039
PDF
Publication page476e1f617f577cf4ee64fe3400c7c980c2251449ea1e12f46d3ea1f6b22ea557
Manifest024cb967853cd2522226bc72632879fca094cf90c21d6b0f552de98df23f7cc7

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
SignatureLHirtSh4asqMtue0JfqtHQ8cU+pUdYwSvaWm+/cQYEn5GChsPOazQY9nm44HqAZwucJitc0XIWMWtl4C9zHpCw==
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

2026-09-17T11:19:55.018581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039715
observed 476e1f617f577cf4ee64fe3400c7c980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:54.999782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039715/manifest.json
observed 024cb967853cd2522226bc72632879fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:54.984142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039715/publication.md
observed fe30eba63c82f770586c84533fd55915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:54.964881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039715/publication.txt
observed ab4ba01f3d9c23d42202dc0cddf66fcb...
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.