OpenTechnical

OT-2026-000091454

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000091454) never changes.

Identity and time

Publication numberOT-2026-000091454 · never reused
Internal UUID01a0ae9c-f16d-7571-80d3-c2480853eed5 · 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-2026-000091454
StatusPUBLIC

Content hashes

Canonical text12573380dedbe91f1fbd82cb0d9eb06ab46c613fd5025339dfbeb6841844c798
Markdownc29937c3f26b7750341dfa4a0abfa1bee14f9e88025c93ee5b6b9fd6318dc506
PDF
Publication page7d207cda89fd7824f99eec273fc7fbdc12ceea438c8cf0d5e20a440d5d168c6e
Manifestaea3b27ea6f133ca3d007c2b41a076e0f51a97e6b91cef9d40f929c592068392

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
Signaturexk0RlmTNZa4n6xxtaZR1ctu1EPczmlpiUV7kw9pTbalNmL8htMco2T21RKRMzUKf/s3Vn53XdooSJKtZWCfuAg==
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

2026-09-17T09:43:42.310981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091454
observed 7d207cda89fd7824f99eec273fc7fbdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.293204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091454/manifest.json
observed aea3b27ea6f133ca3d007c2b41a076e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.275447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091454/publication.md
observed c29937c3f26b7750341dfa4a0abfa1be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.257120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091454/publication.txt
observed 12573380dedbe91f1fbd82cb0d9eb06a...
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.