OpenTechnical

OT-2026-000097024

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single 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-2026-000097024) never changes.

Identity and time

Publication numberOT-2026-000097024 · never reused
Internal UUID01a0aea1-01c9-7d70-a290-ba9c708445c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097024
StatusPUBLIC

Content hashes

Canonical textd5036038314b93380eb8eb28ec345585ce3b081707bb27561a036c0c9e82a710
Markdown3a495b45adbe0229d569d0f1aaa1f19fc95e995e3bb281287f6f188d454ba43c
PDF
Publication page6c79dec21c7208ec3414db75425ddae048db1aa1a6403a80a047385a9f6fdddc
Manifest94ac6ebe84b1fbd033b4a95888a0cd3f179435c1581dd4839af12e98adb9ad55

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
SignatureAsh996uLmHHbYP5lgsgR9svaQqaGq76CJvlkSCdBvljIdr0Y8nnS9Sm/pSgtahFRZGGbAfRCh/9iiOceNL01Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:31.618819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097024
observed 6c79dec21c7208ec3414db75425ddae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:31.600443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097024/manifest.json
observed 94ac6ebe84b1fbd033b4a95888a0cd3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:31.456622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097024/publication.md
observed 3a495b45adbe0229d569d0f1aaa1f19f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:31.432662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097024/publication.txt
observed d5036038314b93380eb8eb28ec345585...
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.