OpenTechnical

OT-2026-000005227

Publication integrity record

Bellows cup vacuum gripper, two zone face, ejector fed, pressure verified, contact triggered

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-2026-000005227) never changes.

Identity and time

Publication numberOT-2026-000005227 · never reused
Internal UUID01a0a932-041d-753f-bbef-2d78353c166c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:50:22.495997Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005227
StatusPUBLIC

Content hashes

Canonical textb14406d1bdcec4b640f4ceea29d0cce16498629b1972bc5ca42a2229c4ad2922
Markdown888c6acfe5310e044527167f19e5ac10680e77c5ace9ee6256ee283a77258cc5
PDF
Publication page016949b4e116e90d3833df0cdb9db4a9f6c5a759db5e2853bcdd826749f5f452
Manifesta63d94f01584e56b14a2ca1b3beb4c2a458b85b17daea9e40382f246fd43b5a3

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
SignatureJVucD4J4JdPbVLWAb8ysMy3+XSNho0RfIYgEKcFL+vJtJf4N+neS9EKSHhGxxWFL4JRV3Y2kjYP+X2qUgxrYAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:33.426181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005227
observed 016949b4e116e90d3833df0cdb9db4a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:33.412707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005227/manifest.json
observed a63d94f01584e56b14a2ca1b3beb4c2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:33.397996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005227/publication.md
observed 888c6acfe5310e044527167f19e5ac10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:33.384355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005227/publication.txt
observed b14406d1bdcec4b640f4ceea29d0cce1...
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.