OpenTechnical

OT-2026-000078101

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078101) never changes.

Identity and time

Publication numberOT-2026-000078101 · never reused
Internal UUID01a0ae95-6e8c-77fc-b258-e8438f6f9985 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078101
StatusPUBLIC

Content hashes

Canonical text54b482a8ac2a3067fc9efa198798aa6261289442438444feb2409622fc6c6dc2
Markdownbadb85f0b71c82bc29622fa33673a309b7abde2750491f1c6a6b11f99105a26f
PDF
Publication pagefd2b327e6c7502556fc0743f3d5d56617faa2e8728d321e313cbbeb1eeac9d6c
Manifest4760fac632f5a7ba4079b00741d6e97cbddddd27bd5097c3ff6d3cfa430551e6

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
SignatureQsBxzgc/nyAfj/gnHkLID4r+PB0cOss//IvK7NxFo0AaRhxy/5zP2r58Hg5yepiDcNbddmbu5pTE9zUEP29qCQ==
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

2026-09-17T10:06:48.645395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078101
observed fd2b327e6c7502556fc0743f3d5d5661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.626908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078101/manifest.json
observed 4760fac632f5a7ba4079b00741d6e97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.608804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078101/publication.md
observed badb85f0b71c82bc29622fa33673a309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:48.589825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078101/publication.txt
observed 54b482a8ac2a3067fc9efa198798aa62...
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.