OpenTechnical

OT-2026-000069048

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069048) never changes.

Identity and time

Publication numberOT-2026-000069048 · never reused
Internal UUID01a0ae90-6dce-7ddf-af64-8e2bdf358d13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069048
StatusPUBLIC

Content hashes

Canonical texte5da65116df4de86025ce72383b65deb11308bcaed04444ddd3ba48f52a1167f
Markdown27111f78a1c997461c3aaf9e794f34704d184659d45760f2f861f6fcf947db43
PDF
Publication page8dd1e6e9ee94cd85eac4bb407e3037657152decff6a1a63f906e76943e81feaa
Manifest6f9def26fa7cca6adc95d6f039950769b6429ef685159c4601d251bc08510a38

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
SignatureDxbX++GAcvSv10d30tlcLO+TjmaDVWWL7Qzum3OBpZc90BSeeiUN7uAhGde2/fSQ8vqZLCiKCSj1f1NuZxOaCQ==
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

2026-09-17T10:28:54.582451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069048
observed 8dd1e6e9ee94cd85eac4bb407e303765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:54.565385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069048/manifest.json
observed 6f9def26fa7cca6adc95d6f039950769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:54.547446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069048/publication.md
observed 27111f78a1c997461c3aaf9e794f3470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:54.528719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069048/publication.txt
observed e5da65116df4de86025ce72383b65deb...
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.