OpenTechnical

OT-2026-000068746

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000068746) never changes.

Identity and time

Publication numberOT-2026-000068746 · never reused
Internal UUID01a0ae90-6dcb-7fae-bd43-ae13be74330e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068746
StatusPUBLIC

Content hashes

Canonical textf898c528d05a522b5b90d8a18b380a6d672a1097d184ed32ba3fc89ee0e48097
Markdown8bad70342e4a1812819e39a874d7d3beaab7bdaf8995ac281f0aec38c3e16793
PDF
Publication pagebc70cd3aaaf4b084037d3333f9fef2d451e76ec08074c40829bed37298285dac
Manifeste5eb1485b9b418833ea35cdef13819a152441f5f89c2c86560ef0b242bdcd0cb

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
SignatureU4/LX+uMFqXh2ZZuRxyPzeZeV4NDn8Yx12StWWl94aBQmH4yqik9aY4oG0+l7Y/tO/VT0RI0xU86X5IFo3SbAQ==
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

2026-09-17T10:28:31.510181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068746
observed bc70cd3aaaf4b084037d3333f9fef2d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.492768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068746/manifest.json
observed e5eb1485b9b418833ea35cdef13819a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.475711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068746/publication.md
observed 8bad70342e4a1812819e39a874d7d3be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.457250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068746/publication.txt
observed f898c528d05a522b5b90d8a18b380a6d...
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.