OpenTechnical

OT-2026-000090919

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000090919) never changes.

Identity and time

Publication numberOT-2026-000090919 · never reused
Internal UUID01a0ae9c-c011-7d68-a7c2-40b031e7d7aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090919
StatusPUBLIC

Content hashes

Canonical textad39418fbfec39c04bcb2c3dcc1a5ce548f67635d99ff0a1a73a9245618490b4
Markdown65a0215de0d53a697dc69e19b5e61a948735c076f083446ff0cad86a93ae7bfe
PDF
Publication pagec4b7250216054a7902392d414793c7ecf473f01655c5732396f53b68ba68d31e
Manifestbd29b5351ef0f7caead0c0ed1c1138598cbf3ad57a1716bc7d74cded067b0a97

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
SignatureJGNxOuiqGQiRF8ScL6UN6GaXVI1ylKFdUn/7ru3lV0INWFksfCmiYA6cl+p2289u4PDj7KkY1QLui5stDydBBw==
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

2026-09-17T09:44:08.323153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090919
observed c4b7250216054a7902392d414793c7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:08.306074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090919/manifest.json
observed bd29b5351ef0f7caead0c0ed1c113859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:08.288309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090919/publication.md
observed 65a0215de0d53a697dc69e19b5e61a94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:08.269130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090919/publication.txt
observed ad39418fbfec39c04bcb2c3dcc1a5ce5...
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.