OpenTechnical

OT-2026-000104171

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pulsed 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-2026-000104171) never changes.

Identity and time

Publication numberOT-2026-000104171 · never reused
Internal UUID01a0aea5-341f-74ae-b0e8-eb92c1fc3bef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104171
StatusPUBLIC

Content hashes

Canonical textf5c9386992ef4297ea7189c6cf11e0bad020281ce998536809cab719f2b854c9
Markdownaf65b97e5a4adc43bc3a81546c5aeea3cee86a5747dbe3e3da9213f4ff4e4d8d
PDF
Publication page95125a1506b372d2881de421cd974d7767d5880ef17868e1bea036e1c0dad674
Manifest4664c1f775c842fd75ffcb73b0ec2b404c7507086957e205f43990b8eb1377a0

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
SignaturesBmAOnaNPZUON2CwE/7+g6MUMYakmfot0xZYJBE/BOvSGgJ+LjNDjKlIxSYw1pIR1TBonXowOPnnLjSKOTodDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:04.402983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104171
observed 95125a1506b372d2881de421cd974d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.384471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104171/manifest.json
observed 4664c1f775c842fd75ffcb73b0ec2b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.367295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104171/publication.md
observed af65b97e5a4adc43bc3a81546c5aeea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.324743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104171/publication.txt
observed f5c9386992ef4297ea7189c6cf11e0ba...
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.