OpenTechnical

OT-2026-000068405

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000068405) never changes.

Identity and time

Publication numberOT-2026-000068405 · never reused
Internal UUID01a0ae90-2480-77e3-a083-cca906e35e31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068405
StatusPUBLIC

Content hashes

Canonical text688e7273c51a800ed753f53344b62935504700113a5dc261387c079102ba8311
Markdown8d03862db76e4d93d89e4aaa2b1873326f3b5b5b67db69d5aa7b94cee9ffb4ef
PDF
Publication page7585c6d1a506ee6c5a6ff4faec542c81149fcb168c8bf523b14b7189d4bb0fb6
Manifest3e57f436889315bf576a0b0159903911d83edd34280451413a6a6964e74cc8d1

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
Signature5rJEUQWdMCZq7rLWdyAkK708YXhNNJeBhOwBj3w34yDVtK7meqJRWGlind554NpQHlc7tbh4zsXIwRl2mxM3Cg==
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

2026-09-17T10:29:32.178733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068405
observed 7585c6d1a506ee6c5a6ff4faec542c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.160317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068405/manifest.json
observed 3e57f436889315bf576a0b0159903911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.140660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068405/publication.md
observed 8d03862db76e4d93d89e4aaa2b187332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.122281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068405/publication.txt
observed 688e7273c51a800ed753f53344b62935...
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.