OpenTechnical

OT-2026-000074925

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold 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-2026-000074925) never changes.

Identity and time

Publication numberOT-2026-000074925 · never reused
Internal UUID01a0ae93-ac2d-7db7-9d11-fab1aef165a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074925
StatusPUBLIC

Content hashes

Canonical text277d753875c6c5034adad6992427ddb8d80350025aa40bf9721acbdf7eb0e5e1
Markdown1c5de62cbf4e18d2c3a4a55c1e2816d2f498b2f6572b42a73888a48279458092
PDF
Publication pageba42237811033ea3031a78490d33e0c412204ce589dd539b883549a35670211e
Manifestb02fef21166b1d490c6b21c792e64a9c36a84b65e35d3b5add4a1e066441af27

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
Signature/PDfaAmrQHKm0xKztV4JuZrzRmYQJ72rZe1h8VMKXSfXtSitnpZ1OFZMOU9t4xVvafxPfsFMHjOWI4vxIH0yCw==
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

2026-09-17T10:18:39.159499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074925
observed ba42237811033ea3031a78490d33e0c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.142537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074925/manifest.json
observed b02fef21166b1d490c6b21c792e64a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.120353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074925/publication.md
observed 1c5de62cbf4e18d2c3a4a55c1e2816d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:39.101703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074925/publication.txt
observed 277d753875c6c5034adad6992427ddb8...
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.