OpenTechnical

OT-2026-000089508

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000089508) never changes.

Identity and time

Publication numberOT-2026-000089508 · never reused
Internal UUID01a0ae9b-db02-70e1-92d5-33ff8a670795 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089508
StatusPUBLIC

Content hashes

Canonical text111bf95b069e097fe0594ef77b564d62a28f1a443c3928f92e3c98f1980c823d
Markdown64c1d3d9c45d315fff23e94f9c53faa319391f55dc490e6df590e371a422c89a
PDF
Publication page88c9ecd091de3c711b090178db53253457f40152de303110553c564870e488cf
Manifesteb0df9141c8e6bf53baab79533d55a34950eabe909ddb6c13720e8af21876797

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
SignaturewblvJGj4wOstxYP3SdAfgQAwSNpyWl+aePkw1eZa34CRQcsL3IOOqHfzs+8XdAfMCq3KjiqA29vDb9FUhYyTDA==
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

2026-09-17T09:47:39.797453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089508
observed 88c9ecd091de3c711b090178db532534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.781214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089508/manifest.json
observed eb0df9141c8e6bf53baab79533d55a34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.764202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089508/publication.md
observed 64c1d3d9c45d315fff23e94f9c53faa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.747221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089508/publication.txt
observed 111bf95b069e097fe0594ef77b564d62...
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.