OpenTechnical

OT-2026-000033136

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000033136) never changes.

Identity and time

Publication numberOT-2026-000033136 · never reused
Internal UUID01a0ae75-4844-778d-b256-479069c26108 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033136
StatusPUBLIC

Content hashes

Canonical text691db844ff5a817a729f6db3528b7a3e55aa031ee3786c3c6b7f06642a2ffab1
Markdownb2d9e8e59ad0dfffcbf1a1bac6c313158110e52fa2868c3164371c7f21e7e081
PDF
Publication pagedfbbf23862d817e47b59a429469beac774a70f4f0bc121610f95a797704ebfc0
Manifest642cffe1b781348e2f265f60b15f1c8487ded48cdac7648d589b8d8dae7af2c6

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
Signature/4e2j7PCiAIsjWgosXIeMlfJcq2jI4rlzNDzn704yXJZt0St5U3Wjd6pmtcq3xVwZkeVlFbovk8C6jYPfKQ4CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:49.135290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033136
observed dfbbf23862d817e47b59a429469beac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.117845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033136/manifest.json
observed 642cffe1b781348e2f265f60b15f1c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.099960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033136/publication.md
observed b2d9e8e59ad0dfffcbf1a1bac6c31315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:49.081859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033136/publication.txt
observed 691db844ff5a817a729f6db3528b7a3e...
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.