OpenTechnical

OT-2026-000073205

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000073205) never changes.

Identity and time

Publication numberOT-2026-000073205 · never reused
Internal UUID01a0ae92-efb6-7bad-9919-836f35e76cfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073205
StatusPUBLIC

Content hashes

Canonical text785497eae958c2d65ee8de189fd0ec679d414ef6e02a57404ec32322cc869c4d
Markdowndaf2fc35623dbbba038a8a36b5573681445d2231c9b5f8d47d74fa35395b9196
PDF
Publication page9a1a06bd48307c2d42eacdeb84201163beea59328c835df6f25b523482a81456
Manifestbf29f25cfcda21e9c7d7d27ce6bf2ba2b50eb5a0c94ad63317d9313e78a1a780

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
SignatureHKJJYu9CQ9/LMIWr/+cB4SGPTWtxytItWq5Kh1xNyH7e/ejTsln/uhGLDGr/xZFrqUIDokpkGDLhCxWQ6cssDQ==
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

2026-09-17T10:21:10.195017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073205
observed 9a1a06bd48307c2d42eacdeb84201163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.175563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073205/manifest.json
observed bf29f25cfcda21e9c7d7d27ce6bf2ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.155221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073205/publication.md
observed daf2fc35623dbbba038a8a36b5573681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.136910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073205/publication.txt
observed 785497eae958c2d65ee8de189fd0ec67...
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.