OpenTechnical

OT-2026-000081860

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000081860) never changes.

Identity and time

Publication numberOT-2026-000081860 · never reused
Internal UUID01a0ae97-0f75-7d4a-b10f-765735adc5ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081860
StatusPUBLIC

Content hashes

Canonical text0bd4e6598fb371b55a3f1f8f7784f35925d04eab3e8aa4ce5736242957982418
Markdown93dc86edd6e9663d7442e5cb04c9dca7b940453abb3a505a8593f0f50a37c7e4
PDF
Publication page36402770bcfb5c0eecdf375c8f0d231cf905e9a967d42fd438e8ae7284189c42
Manifest369da9e2c0513e1ebbaa863413c6ddd55626a1a3343f25b8c913c92328bd70df

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
SignatureiACxarISaRbgv1tuX28pZ5BmvY7nmRIy4VuEqC1PU+nuYMZARmn8VzsfVNEcnpqPdd8MURvrevTryK9PKsbXDg==
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

2026-09-17T10:00:58.542005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081860
observed 36402770bcfb5c0eecdf375c8f0d231c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.525845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081860/manifest.json
observed 369da9e2c0513e1ebbaa863413c6ddd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.509518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081860/publication.md
observed 93dc86edd6e9663d7442e5cb04c9dca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.492587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081860/publication.txt
observed 0bd4e6598fb371b55a3f1f8f7784f359...
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.