OpenTechnical

OT-2026-000102858

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000102858) never changes.

Identity and time

Publication numberOT-2026-000102858 · never reused
Internal UUID01a0aea4-be3c-74ab-b6b2-9389e5122fb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102858
StatusPUBLIC

Content hashes

Canonical text33c5314f7ba697d3d8aa51da5a2de244066c6a60b805911a939a40a41fe2d8e2
Markdownf0255d0b6fd684f99e188120a74d3be6022143d7fae6b58f4f68a5c7bee57906
PDF
Publication page9517a9cfabbc77eb5e2024b2f9f08dd2decf2d47af7cfefdcff521c70f13da80
Manifest61af7c460af3ae00bd97249adcd637c81ed880a41ae1f5270913311661677fc9

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
SignatureozQ0n3HQ4jrRSCmCCiHG5/2BYnM0Ihrxag2G+Qr0ZyLn8jyrkqrcGd2BwYH7g52pAFMIlzoTihndszfEnnRrAw==
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

2026-09-17T09:22:51.939160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102858
observed 9517a9cfabbc77eb5e2024b2f9f08dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.923319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102858/manifest.json
observed 61af7c460af3ae00bd97249adcd637c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.908369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102858/publication.md
observed f0255d0b6fd684f99e188120a74d3be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:51.889107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102858/publication.txt
observed 33c5314f7ba697d3d8aa51da5a2de244...
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.