OpenTechnical

OT-2026-000075708

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000075708) never changes.

Identity and time

Publication numberOT-2026-000075708 · never reused
Internal UUID01a0ae94-29fd-77bc-b359-cf287c92f576 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075708
StatusPUBLIC

Content hashes

Canonical textb3b6b0e035eb09e41eb6d8413a028c075539dd49a5b718c427e4c09f65b0cf6b
Markdownb195a7ec82141f08839cde1a46031297254b5cbc4ffa1b7a4565d34c335ab1aa
PDF
Publication page204801d256e94a54747b733bc2ac4cdec1f1f8c0bf6d541fd88dad40405eb1ef
Manifest8d75758663c989720a7000293c1d80e7ee21647c607189c7aaf3e09aa2a3ad9f

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
SignatureiQrRXe6ob8cI9ppxyyuebibBPpL7mBEvQjs3l5qouMozEUushxL3nED1oI/sjdflLOwxEnkdxsf9510gdKaPCw==
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

2026-09-17T10:13:55.998764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075708
observed 204801d256e94a54747b733bc2ac4cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:55.980785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075708/manifest.json
observed 8d75758663c989720a7000293c1d80e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:55.961893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075708/publication.md
observed b195a7ec82141f08839cde1a46031297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:55.940837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075708/publication.txt
observed b3b6b0e035eb09e41eb6d8413a028c07...
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.