OpenTechnical

OT-2026-000075625

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000075625) never changes.

Identity and time

Publication numberOT-2026-000075625 · never reused
Internal UUID01a0ae94-29fd-7248-b9e8-5d0c93f83bf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075625
StatusPUBLIC

Content hashes

Canonical textaae981a82b1ec83bd8cf91817acf58204e43d8f2b885ce23ca75b85166438ec3
Markdown14dd591878b4161e0a01e7984276e83e01987c7eaed7d32340e588e07c7a9355
PDF
Publication page35e43e83d4062df84cddb3d93b5ea7c19d98d302d419ee5de32b428900804abf
Manifesta988fac3f216e2eb4e623d56e9e8a3a4ef1e052da104c7d622517215a6f2aad0

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
Signature3zTDQY0Y/krpu1fEiaYfJI8rFRGMLANxP6NvWU8mQ76pB64petmvmGtUGgUBfgMutQpMwgClcaUXTuYlQaFcCA==
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

2026-09-17T10:13:20.968274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075625
observed 35e43e83d4062df84cddb3d93b5ea7c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:20.945863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075625/manifest.json
observed a988fac3f216e2eb4e623d56e9e8a3a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:20.803465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075625/publication.md
observed 14dd591878b4161e0a01e7984276e83e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:20.786077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075625/publication.txt
observed aae981a82b1ec83bd8cf91817acf5820...
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.