OpenTechnical

OT-2026-000066635

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000066635) never changes.

Identity and time

Publication numberOT-2026-000066635 · never reused
Internal UUID01a0ae8e-ce42-7523-baf8-5c74f0bd0860 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066635
StatusPUBLIC

Content hashes

Canonical text02a7def6b84b38cf25ff2366035ed7da380f78881b717e17db1823e5af5df988
Markdownfd1c4f3204a3022d00cb580d9b5bf29ccabc64f878a41711b8df14342e9de4a2
PDF
Publication pageb05f1146ab919d18276872e3e41a7681a9c8d42099c860c618ab55a4f427a463
Manifest6b2122e5fe1540b7dbdcfbbdab11477abd64316340cbe34edca494b8ea967e96

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
Signature8kiUkYS8T7ZGdO+K+yg0oJuMyp7TKAQTjaD273dQXL8s96SJgfbupQ9qForNFzqO9vvGaIDTt2pC8VcLZURzCw==
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

2026-09-17T10:33:00.921519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066635
observed b05f1146ab919d18276872e3e41a7681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:00.904400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066635/manifest.json
observed 6b2122e5fe1540b7dbdcfbbdab11477a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:00.885213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066635/publication.md
observed fd1c4f3204a3022d00cb580d9b5bf29c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:00.867869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066635/publication.txt
observed 02a7def6b84b38cf25ff2366035ed7da...
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.