OpenTechnical

OT-2026-000003699

Publication integrity record

Vacuum cup gripper, four outlet manifold, three stage ejector, 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-2026-000003699) never changes.

Identity and time

Publication numberOT-2026-000003699 · never reused
Internal UUID01a0a90a-c7d9-7339-8a34-77734d578a8b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:31.163919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003699
StatusPUBLIC

Content hashes

Canonical text8c9b2a1273d4650c238007819a43b9e2c08522f46ef0c56b285ee215c6cc1dad
Markdown528375ec2a70864fac70ee47ce95779700ab1a6bf3439c68a8ccae69e14b7f6a
PDF
Publication page4d1b8a1ab668e82bf9b9806f509e71e0603cac6bb7a71daa3326eea57c1a261a
Manifestb1e99497638df237083c848e7d62e7edce3cb6e6edbcfac24ced48fb11144593

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
Signaturexm7dEWhxTM8vlHQxvMqK8R4ukoSDDxeYGIMQkjgz+Zbe0/5/Jj0fXCBiVj4C5tH14QQVQlhU0CmJFXHdcgLnAg==
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

2026-09-16T08:00:37.193047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003699
observed 4d1b8a1ab668e82bf9b9806f509e71e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:37.178756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003699/manifest.json
observed b1e99497638df237083c848e7d62e7ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:37.163871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003699/publication.md
observed 528375ec2a70864fac70ee47ce957797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:37.146147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003699/publication.txt
observed 8c9b2a1273d4650c238007819a43b9e2...
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.