OpenTechnical

OT-2026-000067968

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000067968) never changes.

Identity and time

Publication numberOT-2026-000067968 · never reused
Internal UUID01a0ae8f-c4fd-7bc6-b553-cf5cc24d60f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067968
StatusPUBLIC

Content hashes

Canonical textf7011a2d4fa4adf803141e5b15e1a2dbdc76ef8eeb2f92f4bb05ececdd390595
Markdown68dab3d107919b2cb283108322fb298b373f8b281595cac5be9f66e24fd40c9d
PDF
Publication paged4113c7adc30c96a8cf9a97e649d3acbee8f21baa1d5173cd5fc8043f822e453
Manifestc464d93d5114fb4461b714e75501bd1cb806e68aca3d27aaa21efbd348797690

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
Signature8u/QwnLg5WAPpQziBGZEgn7p417p2KK+djBQ3MRVilF6t+Rzhkko5gaYfPoQ7fCff/IE/cDbZXtto/aaXHwoAw==
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

2026-09-17T10:30:30.706530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067968
observed d4113c7adc30c96a8cf9a97e649d3acb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.688730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067968/manifest.json
observed c464d93d5114fb4461b714e75501bd1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.671914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067968/publication.md
observed 68dab3d107919b2cb283108322fb298b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.656613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067968/publication.txt
observed f7011a2d4fa4adf803141e5b15e1a2db...
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.