OpenTechnical

OT-2026-000070967

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000070967) never changes.

Identity and time

Publication numberOT-2026-000070967 · never reused
Internal UUID01a0ae91-8c2e-75e5-a78d-b1160541c25b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070967
StatusPUBLIC

Content hashes

Canonical texta9ef037349f19dc938b0e205f2ed60494ff8fefb21bd4bd2b59a9d0caf250eb9
Markdownc0dac5fc60c7177e2fca32d492dca7fdd6e5d1ee143b1f5966b8867a5b1c7b62
PDF
Publication page222b13c803c869bd43df56ad0720def41463ada79713c20636dd78336f2f3076
Manifest7347421f6ce2047e280aa2333e6f99e200f1c501d2ca2a7095152d1bf2c38617

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
SignatureZNvcu55GO2SDxnoEL4deiRJ1SAGrOh3GY8vuhVP0Ya9styG0yPAbnzyoYo6WQjWndfjXVXr6VyWMx7UjdBgrBw==
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

2026-09-17T10:25:48.391526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070967
observed 222b13c803c869bd43df56ad0720def4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:48.374156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070967/manifest.json
observed 7347421f6ce2047e280aa2333e6f99e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:48.357483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070967/publication.md
observed c0dac5fc60c7177e2fca32d492dca7fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:48.340459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070967/publication.txt
observed a9ef037349f19dc938b0e205f2ed6049...
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.