OpenTechnical

OT-2026-000004201

Publication integrity record

Vacuum cup gripper, four outlet manifold, ejector 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-2026-000004201) never changes.

Identity and time

Publication numberOT-2026-000004201 · never reused
Internal UUID01a0a911-521e-7209-80d1-38d8ff203e1a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:14:39.777663Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004201
StatusPUBLIC

Content hashes

Canonical textd66a4bcdf112d0f1d74de77641cfa1bad4fcfbb05db605402252e7056a1a7ece
Markdownd434654782c8f34fa9c6815f866c6134ad38bc17c049f898baf9e1805fe32fd6
PDF
Publication page2c64e046f86584f4e871a62f210893fc811b5a2b0f30a108d9fa8a811c6fc93f
Manifestb63ee3733743f88e5844f52b4b3983d13145ac5a4b0ad7ff445a23773e5d48ee

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
SignaturewSW8hKDRGa7icPfawDk1z4oy0zeGlMAhXwIHJdZ+m1q1CfA5PFDq9GPLSNLmlSHz75NCbPqgQULStK7riO+GBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:24.679182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004201
observed 2c64e046f86584f4e871a62f210893fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:24.666825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004201/manifest.json
observed b63ee3733743f88e5844f52b4b3983d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:24.652066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004201/publication.md
observed d434654782c8f34fa9c6815f866c6134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:24.637155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004201/publication.txt
observed d66a4bcdf112d0f1d74de77641cfa1ba...
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.