OpenTechnical

OT-2026-000074032

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-2026-000074032) never changes.

Identity and time

Publication numberOT-2026-000074032 · never reused
Internal UUID01a0ae93-2b8f-7a6b-a3f3-dd53475a686e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074032
StatusPUBLIC

Content hashes

Canonical text08e9888ed5f159bfaa4470d532f2b92887307b60908fabfd1fb2bd52e6a69fc7
Markdownf9e1be1647b00aef31743bd6ba3da52846812fdc9ca897efbdf1c7c1c92c8842
PDF
Publication page0a47d58e51561fac0ded2af2704104fd9d3c3530561373448676798c837f5744
Manifestef393e22f8e099079519eb76f5f238a7c35b95cc3a1c337a32f8e4849a0fddd6

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
Signature2IqY4iZdDiJp0PHZwbBWhYf/lukojJDxpGKQ7D0H4GcJC9bKDtomPynFs9HlT27ay5PwVRm+PgMcdeefkPGwDg==
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

2026-09-17T10:20:20.950764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074032
observed 0a47d58e51561fac0ded2af2704104fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:20.931567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074032/manifest.json
observed ef393e22f8e099079519eb76f5f238a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:20.911749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074032/publication.md
observed f9e1be1647b00aef31743bd6ba3da528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:20.891012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074032/publication.txt
observed 08e9888ed5f159bfaa4470d532f2b928...
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.