OpenTechnical

OT-2026-000086241

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000086241) never changes.

Identity and time

Publication numberOT-2026-000086241 · never reused
Internal UUID01a0ae99-e82c-7de9-89c9-e404ca27682c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086241
StatusPUBLIC

Content hashes

Canonical text31b0b96a9aee3f8f09cc52f468e5743e895f98e834eab0387ddde42d82d236bd
Markdown60ebe7ab54003c3a1469ea7da691b468b4d5dfbd9ef160990904a67966b216f5
PDF
Publication pagecef114cc4ee661e2eac26fed4b9c012f8117ed5de7eef10f9141687dddb56e8d
Manifestabe87370e3bb32363265a89b68aebd0faa0dbea07732cf47310e4bd48d384682

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
SignaturefIkPBXKnwO9fbSPesTSo9n1B1XhheSu5xFxAeA5g7SKz1dVjf3JB5iLw3HZLDS31gDUNd4pQZJ1GqVcZ2SnJAw==
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

2026-09-17T09:53:55.833754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086241
observed cef114cc4ee661e2eac26fed4b9c012f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.814998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086241/manifest.json
observed abe87370e3bb32363265a89b68aebd0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.797089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086241/publication.md
observed 60ebe7ab54003c3a1469ea7da691b468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.777946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086241/publication.txt
observed 31b0b96a9aee3f8f09cc52f468e5743e...
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.