OpenTechnical

OT-2026-000088412

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000088412) never changes.

Identity and time

Publication numberOT-2026-000088412 · never reused
Internal UUID01a0ae9b-5d27-71fc-8040-b03498d99304 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088412
StatusPUBLIC

Content hashes

Canonical textaab5036feeaae68e2614f3cfc87e35c1fe0bcb481ea27014c5362516d266492e
Markdown34afc05f776bc2394f7a3551ab11c2c842474f67af41fc9436f5e7eec545906a
PDF
Publication page8902d354063f555b2d842e47b121d7d8d13f9d069f4b80d9308e9d0285883244
Manifest75f6af1ee78c2da8d7cdc4214fbb7f71753bbe2560f930814ae4509e29b27f51

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
SignatureceddFHNej2C0DrODFhGO8wuZH0THR3SFKPOZ3O2UlSHViD1FuPePflRr5Q8bad2/dUjcZEr9JCTu0VYZ4KElDA==
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

2026-09-17T09:48:46.637948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088412
observed 8902d354063f555b2d842e47b121d7d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:46.606649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088412/manifest.json
observed 75f6af1ee78c2da8d7cdc4214fbb7f71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:46.588049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088412/publication.md
observed 34afc05f776bc2394f7a3551ab11c2c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:46.571010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088412/publication.txt
observed aab5036feeaae68e2614f3cfc87e35c1...
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.