OpenTechnical

OT-2026-000083244

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000083244) never changes.

Identity and time

Publication numberOT-2026-000083244 · never reused
Internal UUID01a0ae97-c963-76ea-bf8d-3496445a5c13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083244
StatusPUBLIC

Content hashes

Canonical text8237f18815d179643f4d9787298854e5c0f09c19d71911cb5fc225289440c006
Markdownfbbad353686f7f93b42854ef71e67e8de5aa26012260ed68ee0c0648b1002ad6
PDF
Publication page94422a708fe69305a6d56fb44a0d99dfb256db3aabe28621216ac568b20d399b
Manifest351e60a17e581d96feeef1c2ef35ef4665414bc7fcff8816763789102dbbaaaf

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
SignatureEJ4gacs329l+HIbMA36Q2k5ebAjzyosD6Y+FAciwjIKD8p1D+0HwPBSdO31MeeAflE06Ul6HICBxW6x4Bz4UAA==
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

2026-09-17T09:01:13.931146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083244
observed 94422a708fe69305a6d56fb44a0d99df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:13.913979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083244/manifest.json
observed 351e60a17e581d96feeef1c2ef35ef46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:13.894628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083244/publication.md
observed fbbad353686f7f93b42854ef71e67e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:13.877185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083244/publication.txt
observed 8237f18815d179643f4d9787298854e5...
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.