OpenTechnical

OT-2026-000064792

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000064792) never changes.

Identity and time

Publication numberOT-2026-000064792 · never reused
Internal UUID01a0ae8d-debb-7f16-8867-c2a1f51e47a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064792
StatusPUBLIC

Content hashes

Canonical textc1f88e1cec422f7a7b331cdf1161b808456967cd8eb0eddf069dd02f5756894b
Markdownebd6c05e4c079753efe35083842dd168af767b80aadf9b66130bd5bef20e1696
PDF
Publication pagedcdbfb19e08dc5ae80328b3cac563b1fe78e8684d72a9567f9279747a48502a6
Manifest4df8485981a076cd28fe9215a4dcf26c683e65d810d2349a68ed7c9fe50de06a

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
SignatureuL0GbMB4s3GlMEa/A6a61NtqOSCiWbdJp4GpVpUhrCkrDkS5f41qWGRYWle8xpdgRvNmT3qLHr+EPN+es5ZpBA==
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

2026-09-17T10:35:41.473842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064792
observed dcdbfb19e08dc5ae80328b3cac563b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:41.457091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064792/manifest.json
observed 4df8485981a076cd28fe9215a4dcf26c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:41.438984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064792/publication.md
observed ebd6c05e4c079753efe35083842dd168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:41.420201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064792/publication.txt
observed c1f88e1cec422f7a7b331cdf1161b808...
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.