OpenTechnical

OT-2026-000079059

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000079059) never changes.

Identity and time

Publication numberOT-2026-000079059 · never reused
Internal UUID01a0ae95-ccbf-74a7-a0dc-e46c39dc7a31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079059
StatusPUBLIC

Content hashes

Canonical textab73cb7893d74a47b617a77e39a69bc6e59ba28444aa591ddd51387bfa104f98
Markdownaa1e5c370b001ace98af655f124bfb762b854dc1b94ca781e1e0227724f52c3d
PDF
Publication page146f61f26ecddfc2d9d740f8186eb70cf76a06f7c853e543315d503b61f94e49
Manifest8bf3b2af6367c29027a2243c9daa4cf233e3781b0009b32f914f277607028bf9

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
Signaturenwr7S7MfepQksM+g5mz6XZ8NdZ85euHERYcySURJQVWkBKxiT1uKVfSmt5IvKdhMSNyyM9802T+z+GxQML7mDw==
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

2026-09-17T10:05:54.084326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079059
observed 146f61f26ecddfc2d9d740f8186eb70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:54.065333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079059/manifest.json
observed 8bf3b2af6367c29027a2243c9daa4cf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:54.045811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079059/publication.md
observed aa1e5c370b001ace98af655f124bfb76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:54.026656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079059/publication.txt
observed ab73cb7893d74a47b617a77e39a69bc6...
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.