OpenTechnical

OT-2026-000092248

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, 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-2026-000092248) never changes.

Identity and time

Publication numberOT-2026-000092248 · never reused
Internal UUID01a0ae9d-875a-7519-baf9-6d1edde7e9ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092248
StatusPUBLIC

Content hashes

Canonical text9d6b4b4a3dda73c26083c8dce58e46be07f44f806522f807cd696605e4574b31
Markdownf9b5598988ebe09066fe8dc258198410bde78a3ad54575dd34aa9edf3282135d
PDF
Publication pageae540f0b0972f4430dc310ba702014cdc8ad10d7c83e53e686fc62d84102c3d5
Manifestdd30f7e48969c5cf18347d0a8e3c9ab129920d65d52a12f04b293c1f0325ab5a

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
Signaturep07oaPgOThfT2rpE/mTIHOw6HH+hWq1RdeCNQNRmEdnUTCBDxVHayWBCmVhQU5j7ys9u1eA+hkUjcD48X9IRCg==
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

2026-09-17T09:41:46.348585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092248
observed ae540f0b0972f4430dc310ba702014cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.330823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092248/manifest.json
observed dd30f7e48969c5cf18347d0a8e3c9ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.313475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092248/publication.md
observed f9b5598988ebe09066fe8dc258198410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.293763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092248/publication.txt
observed 9d6b4b4a3dda73c26083c8dce58e46be...
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.