OpenTechnical

OT-2026-000085239

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained 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-2026-000085239) never changes.

Identity and time

Publication numberOT-2026-000085239 · never reused
Internal UUID01a0ae99-43bb-7781-b7a1-6e71d5da4d17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085239
StatusPUBLIC

Content hashes

Canonical textc6368f55574f9ea390bc17792ca630829dc7846d7c87b544807f09a2a9496119
Markdown0b358b276c501339dec347adbfd4f3d04841a87636fe42cb36d2b431c0fbaccd
PDF
Publication page9ee892955062cb00d373ff343d175f53866c4bcf36bfb6ae0ac6a674ad291f78
Manifest22cc83fe548f81e53cfdd5943e27c7e77dfbfb04183cecb53bf9c5a254427bab

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
Signaturet9qwHzORr+g8kpb6Iglf/MLwbu0xvYVDSn4YAkVqyyXC1/XOzjUWjuUDr9EHO3U54NDYdc/jNNZeWHvv5abBDw==
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

2026-09-17T09:55:20.333195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085239
observed 9ee892955062cb00d373ff343d175f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.316245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085239/manifest.json
observed 22cc83fe548f81e53cfdd5943e27c7e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.299729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085239/publication.md
observed 0b358b276c501339dec347adbfd4f3d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.281702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085239/publication.txt
observed c6368f55574f9ea390bc17792ca63082...
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.