OpenTechnical

OT-2026-000077546

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000077546) never changes.

Identity and time

Publication numberOT-2026-000077546 · never reused
Internal UUID01a0ae95-2ece-76af-95fb-7c1df14a44e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077546
StatusPUBLIC

Content hashes

Canonical texte137421ab3735313249ba7c8d3f51350ec2773c7a9d1c939d9a88f48ee4f8bab
Markdown2a8414d0eb6aca87dc08ed99944b0005c3b7f3979b3e31364b0c333fe472b0c7
PDF
Publication page0b60e7a2a5ccd9ad907f9bcc8c9eb324708b0bb6a6e1bf471a42b6eb860bbb81
Manifest02a4fbd04563585764130e1bb43ea7ec5da4c42f017ba8b48acfbb499e143eee

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
SignatureCZZ534FWUWd+VMbphylm3GK+dvfr2L2jS4lymagf08x8LTcPgunPs3xWH3QjvQS7B3TIhKGgAPXWEdxg5BNnAQ==
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

2026-09-17T10:06:53.005897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077546
observed 0b60e7a2a5ccd9ad907f9bcc8c9eb324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.984061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077546/manifest.json
observed 02a4fbd04563585764130e1bb43ea7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.964475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077546/publication.md
observed 2a8414d0eb6aca87dc08ed99944b0005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.907839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077546/publication.txt
observed e137421ab3735313249ba7c8d3f51350...
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.