OpenTechnical

OT-2026-000022439

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000022439) never changes.

Identity and time

Publication numberOT-2026-000022439 · never reused
Internal UUID01a0ae6f-f4fd-72e9-9875-468e2d231b66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022439
StatusPUBLIC

Content hashes

Canonical text9e699c98a267083ae11e86e4777fba66b40340a8e55e7f853ee7452ee4ba4772
Markdownb53e7a3098509e540cf95800821caf9fc71aa8ad6f77e4f4b73a2bd3e87622f1
PDF
Publication page407cc1ba44477246f8f2a3acf77df2fa6c686502e8b6d8ad3bf2615edf2c2b8a
Manifestbd565dafc76aa212d79c9be6ae8ccb83ca87c07aa5edb6b5b2713c264e2c798a

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
SignaturekXAy0Q+pT3UmxFr1MDyf9SaehIsFtxkbl+rdYoUR5LV2BL/LAg/1fxv+fzfepbBSQdYr/lUjeJ8iNiqbF0P3AA==
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

2026-09-17T11:53:49.976000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022439
observed 407cc1ba44477246f8f2a3acf77df2fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.957325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022439/manifest.json
observed bd565dafc76aa212d79c9be6ae8ccb83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.940751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022439/publication.md
observed b53e7a3098509e540cf95800821caf9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.918858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022439/publication.txt
observed 9e699c98a267083ae11e86e4777fba66...
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.