OpenTechnical

OT-2026-000072440

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000072440) never changes.

Identity and time

Publication numberOT-2026-000072440 · never reused
Internal UUID01a0ae92-89d7-7390-bf25-de694669a51e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072440
StatusPUBLIC

Content hashes

Canonical textf3dea329c583868aa8544893a09a6ac99d4dbcb8ee5537c47f5b60bbd57407a1
Markdownb9d3eb7ea7addc14784c8f8bbe0b93fc265aa51c53a6e9a7fa96a4d89a649af3
PDF
Publication page08752a0ebfd15802c4f6eaaeb1dfe16028766744e3e71bcf7058d60d7681c973
Manifest9e2ad2d0e9c0826120a46e47c9b7c487a215d99aa2c83e80df61acd7ba8246e8

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
SignaturewHryd8XJaFOC7S8hsq5IJOjpLkZQp7IJPslcC8GsUipLBOPNQ9Dk5boIhME7BVVIBuEg5uujlZdZRojNvTrqBQ==
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

2026-09-17T10:22:15.442567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072440
observed 08752a0ebfd15802c4f6eaaeb1dfe160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:15.422850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072440/manifest.json
observed 9e2ad2d0e9c0826120a46e47c9b7c487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:15.403696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072440/publication.md
observed b9d3eb7ea7addc14784c8f8bbe0b93fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:15.387785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072440/publication.txt
observed f3dea329c583868aa8544893a09a6ac9...
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.