OpenTechnical

OT-2026-000104024

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed 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-2026-000104024) never changes.

Identity and time

Publication numberOT-2026-000104024 · never reused
Internal UUID01a0aea5-341e-7ea5-a1b2-d5e2058174f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104024
StatusPUBLIC

Content hashes

Canonical textc9e402ce78ce6596541636ac85c642dc50d3a331ad55f076e14650b36bbfc617
Markdown71ca71fc5cb38224f5d28fda999778a499b76acd0755ac8b23d80bcc05bdf428
PDF
Publication page9c1899b5a68daae22a3dcb2bf8528da0e196a90ff1a76e6c057cc55e569877c8
Manifest78d6be326192ef1270f7ae04381d08e4dfe876fc3bade9da973c69e0c9ea0816

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
SignaturefpdIy3z6cUBNqpxfpXikNcYtpbLrrUXfGQAYbLR5YVSXdPx0QWOWwFLvBnvqBrdTcqhttJMRR5hK8sEUK2WqAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:05.099166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104024
observed 9c1899b5a68daae22a3dcb2bf8528da0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.083110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104024/manifest.json
observed 78d6be326192ef1270f7ae04381d08e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.064836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104024/publication.md
observed 71ca71fc5cb38224f5d28fda999778a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.045530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104024/publication.txt
observed c9e402ce78ce6596541636ac85c642dc...
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.