OpenTechnical

OT-2026-000090781

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000090781) never changes.

Identity and time

Publication numberOT-2026-000090781 · never reused
Internal UUID01a0ae9c-7f31-7d58-989f-3830b2b0e617 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090781
StatusPUBLIC

Content hashes

Canonical texte4974a66e54397b0dc64ff8c593f129e4be076405f001c414fe162ba3b81e733
Markdownc4077d29bd85388cdd69ed0974fe045ef57312ea77e1ad6c125f552632889482
PDF
Publication page63ca270c0337b861e6cd1f0190ea611b57ec304b39834d76152a6b94e146a37e
Manifest60bc1c42f3deaf8fd81fb22909ff064374f0c374ceefd4d7eeb6112acefc1619

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
SignatureLwd3v49zEk8+2WIAtlSyPfL6Prgq4wzGuy+MG8qc2EyyiaiLB/K5b7g2WfbaiGR6A0U8pQ8QzNVq2qY8BcLZDw==
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

2026-09-17T09:44:59.044140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090781
observed 63ca270c0337b861e6cd1f0190ea611b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:59.025884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090781/manifest.json
observed 60bc1c42f3deaf8fd81fb22909ff0643...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:59.007016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090781/publication.md
observed c4077d29bd85388cdd69ed0974fe045e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:58.990024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090781/publication.txt
observed e4974a66e54397b0dc64ff8c593f129e...
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.