OpenTechnical

OT-2026-000050703

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000050703) never changes.

Identity and time

Publication numberOT-2026-000050703 · never reused
Internal UUID01a0ae82-c7b0-7273-9e87-42c9d5a77984 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050703
StatusPUBLIC

Content hashes

Canonical text8170f862382d6c92de00519178f054437ff85c9051f4d76c7276d951e036fef1
Markdown6c612994cebfc07f92ffc01c9e7c3f6acacc537c8c813d6aa492cf6a64fe41af
PDF
Publication page3f0b32e7923b98e980c5690354c9180545cbf48b19ab8b65844d4b8b8fe4ab73
Manifeste49a6b5951c2928b5c53c6810cdc5ab351de616d81641cff56f6ba577b5577cb

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
SignaturejBNyvDtKSERp5l8EZT+xYuq7y7FCkVC2aAsUYYE8MqJ5sO4YyDQflEyD2mJlKI6sck0w7pdmI7YoFqPNkBzgDQ==
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

2026-09-17T10:59:25.114461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050703
observed 3f0b32e7923b98e980c5690354c91805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:25.093469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050703/manifest.json
observed e49a6b5951c2928b5c53c6810cdc5ab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:25.075667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050703/publication.md
observed 6c612994cebfc07f92ffc01c9e7c3f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:25.057405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050703/publication.txt
observed 8170f862382d6c92de00519178f05443...
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.