OpenTechnical

OT-2026-000082143

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, sustained 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-2026-000082143) never changes.

Identity and time

Publication numberOT-2026-000082143 · never reused
Internal UUID01a0ae97-4d93-76b4-b8e1-90c9276e8bc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082143
StatusPUBLIC

Content hashes

Canonical textb00671285e9fed390d356732952e9c57d615b11d838cb61dc3a2a72d283c02fb
Markdowna462a02c3996cc92aa59a132d7a3f3697d82bf2518c816f0e1c604d56a208443
PDF
Publication page7376d941b7d6e25f4a86327e5cf6df432a291eeb8b627338eb52bde7fd6b0132
Manifest9cfea35c7a914ad4cf20e8389df60488a1809d4440c2a572190f649f733df0c0

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
Signature05Om/toMtCoaGqyYUwupx0Umk7kn16DdVJGE46TWXWh0+fCvfF3xrPJ6lPUg+iNcN6r6Xl30jfbO4ZDiLGSvCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:57.780685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082143
observed 7376d941b7d6e25f4a86327e5cf6df43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.764576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082143/manifest.json
observed 9cfea35c7a914ad4cf20e8389df60488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.748598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082143/publication.md
observed a462a02c3996cc92aa59a132d7a3f369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.732147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082143/publication.txt
observed b00671285e9fed390d356732952e9c57...
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.