OpenTechnical

OT-2026-000083156

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented after set-down

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-2026-000083156) never changes.

Identity and time

Publication numberOT-2026-000083156 · never reused
Internal UUID01a0ae97-c962-7530-8421-ef2bc273377e · 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-2026-000083156
StatusPUBLIC

Content hashes

Canonical textb2e171656eabfed59a84c47795b7f5ca14a9741a7313789ef2e71470b145b05e
Markdownd0129130228c02c1ec832cfd1cfd969b37187ecc65f5f69f7fd632e861241a17
PDF
Publication page0fa454e89ac3ccc6545c0dbab9a0222640d8a1fe167a4a6628ba20f693603a5c
Manifest7d81bdde353a205c801915a15b02388089467bd7769b64c5910f1dc300d1e541

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
SignaturegjXDT8he8NAS25VltTYfIrMqVOwJw9avtgvauZBECF+EwhGtLFOAUNqPiY/ByDk1JQGpWSJDYNKED4Vr1f6WDg==
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

2026-09-17T09:00:54.593446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083156
observed 0fa454e89ac3ccc6545c0dbab9a02226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:54.576320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083156/manifest.json
observed 7d81bdde353a205c801915a15b023880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:54.557977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083156/publication.md
observed d0129130228c02c1ec832cfd1cfd969b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:54.411445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083156/publication.txt
observed b2e171656eabfed59a84c47795b7f5ca...
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.