OpenTechnical

OT-2026-000041268

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000041268) never changes.

Identity and time

Publication numberOT-2026-000041268 · never reused
Internal UUID01a0ae79-b143-7981-8455-14d059e3cc70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041268
StatusPUBLIC

Content hashes

Canonical textf67d718176d5a7d364dca517677488e7cea470802d322f77a40ac0e34d8703a1
Markdownfc3854a99e57ef48f761a393bc3b6b87639372c033452b5627e3fa50c2cac2aa
PDF
Publication page83a96beb945e37710a14e20b04984944f1bb3d21a588e1ab4a66c26fb587f740
Manifestf45475d117a0ed532539e110fc58b81305eebd059e0e07b3e3e006b76ef7dfd8

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
SignatureeNoZjbvFK3UlWhGKc9d1r6a1yH3MqeiCTUZGLH/57JjNSeURh7GFcKz3ALxYyp87sxezOnf/UyllXClZwgdFBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:14.558519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041268
observed 83a96beb945e37710a14e20b04984944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.539142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041268/manifest.json
observed f45475d117a0ed532539e110fc58b813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.517513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041268/publication.md
observed fc3854a99e57ef48f761a393bc3b6b87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:14.498500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041268/publication.txt
observed f67d718176d5a7d364dca517677488e7...
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.