OpenTechnical

OT-2026-000022179

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three 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-2026-000022179) never changes.

Identity and time

Publication numberOT-2026-000022179 · never reused
Internal UUID01a0ae6f-f4fc-765f-b076-ec49303855c6 · 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-2026-000022179
StatusPUBLIC

Content hashes

Canonical text4dafeea6c9e83e53af8b18f5be31f8b4086115c79de99f76b9798f4afbc1b640
Markdown42595c45a8dc459c23f1af9c30e613ec5aa7c2b7717a269fd3478e959c06f292
PDF
Publication page5a34fc314adfe2b6f2259cf1fdc33b4d0fe08c1f9d8dab692668f1456196835f
Manifest470781731ca05d16287352cf38f233aae19fa7e08b41294045c56fa693aa1390

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
Signatureu2d8VkOXhvlXRJpx/xb8ICOeCc0rPUiyfoIkw/jklFPOg204EMAQdlQZhfp3YWB6U/+hOoi5X6P9rchfIL+RBw==
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

2026-09-17T11:52:51.632066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022179
observed 5a34fc314adfe2b6f2259cf1fdc33b4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.612633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022179/manifest.json
observed 470781731ca05d16287352cf38f233aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.593677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022179/publication.md
observed 42595c45a8dc459c23f1af9c30e613ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:51.574818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022179/publication.txt
observed 4dafeea6c9e83e53af8b18f5be31f8b4...
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.