OpenTechnical

OT-2026-000081580

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000081580) never changes.

Identity and time

Publication numberOT-2026-000081580 · never reused
Internal UUID01a0ae97-0f71-775d-9896-51c98634c0da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081580
StatusPUBLIC

Content hashes

Canonical textf6594f78aa0278941fce14da67350f59592c41bc923f866e8323d2f03a6c3921
Markdownac636f58c466fcb28e892d81c21bbb18cd350acf9b05dfc8c82437ac75e801ce
PDF
Publication page03ecccb001ee6c5da4489de32ad1cc81a4e59a4e0fd4b46844176a4bd47db8d0
Manifestef2f88d464ebac69cfa80dd3a611cfb58414a3fde40abba3bf45037a56ea9b06

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
SignatureIvuGk0UxJt2noHmmS0ORbe+tZSSPWJNs35UQHywwVAnmIGB0ozp0BOhisG/ekVJgcgi/IVPCVJiUWuRjpg0sAw==
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

2026-09-17T09:59:36.758199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081580
observed 03ecccb001ee6c5da4489de32ad1cc81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.741181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081580/manifest.json
observed ef2f88d464ebac69cfa80dd3a611cfb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.724448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081580/publication.md
observed ac636f58c466fcb28e892d81c21bbb18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:36.705964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081580/publication.txt
observed f6594f78aa0278941fce14da67350f59...
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.