OpenTechnical

OT-2026-000091390

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091390) never changes.

Identity and time

Publication numberOT-2026-000091390 · never reused
Internal UUID01a0ae9c-f16d-795f-bca4-0b2b0da362e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091390
StatusPUBLIC

Content hashes

Canonical textcae0b6075c2a93c6d778d1a40ec29e7be9e6aad438d6b19bbc50ad0c2d235ac1
Markdownfebbbce2e9cfdd3df1744eb9b91230d6a0af32ba80e23eea89501fcd46766db2
PDF
Publication page8804d816e18fe6134048edd47420af5a2b3b836fb0df4c1c809c16b0407e25cd
Manifest524f1c1c3c739ef195dd65432a628c3ce1eef17f972b2a2663323955343e0abb

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
SignatureqgYjMsvGfSc6cI5Kck8dFkugXqOWIKev1k4rr0bFRlgJHm3q0lacIeK+AXtPClYN5d/ehenXdMWNoDZsyQc4AA==
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

2026-09-17T09:43:36.856290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091390
observed 8804d816e18fe6134048edd47420af5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.838721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091390/manifest.json
observed 524f1c1c3c739ef195dd65432a628c3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.820506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091390/publication.md
observed febbbce2e9cfdd3df1744eb9b91230d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.802471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091390/publication.txt
observed cae0b6075c2a93c6d778d1a40ec29e7b...
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.