OpenTechnical

OT-2026-000012354

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000012354) never changes.

Identity and time

Publication numberOT-2026-000012354 · never reused
Internal UUID01a0ae6d-39f6-708c-acc5-6b62cea2c911 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012354
StatusPUBLIC

Content hashes

Canonical textebba5061131c4d1a7cb7e1cd95a85e3d3a6bc8c236de84742a37e6984dfc58ef
Markdownc0cc758bc8f7d7b494c9929860bd1eaf65cb84401147a32c5d7172516fa5442d
PDF
Publication pagec2f13022140455cbe7ffd519a9d18cfd7dcd09b9befea7619a0dd30911a4b772
Manifest261b322794e84a9a2153bcc867ca3fdcd5bc8e91edff5a5aff8ab24bee58cd94

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
SignatureeUGvhBEsfNN4PBPZ+QLA+lzYXN9Gw+LHJX2zdJ2IcjFKml7aiLmy/E/unRSWRQ1Flk047nwgfPPaMXrgt9kwAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:11:50.229211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012354
observed c2f13022140455cbe7ffd519a9d18cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:50.210456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012354/manifest.json
observed 261b322794e84a9a2153bcc867ca3fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:50.192491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012354/publication.md
observed c0cc758bc8f7d7b494c9929860bd1eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:50.173867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012354/publication.txt
observed ebba5061131c4d1a7cb7e1cd95a85e3d...
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.