OpenTechnical

OT-2026-000004349

Publication integrity record

Bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, contact triggered, plastic cups

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-2026-000004349) never changes.

Identity and time

Publication numberOT-2026-000004349 · never reused
Internal UUID01a0a914-ca35-75ac-bd2d-1101b172c732 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:18:27.129316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004349
StatusPUBLIC

Content hashes

Canonical text16f6cb6671ad0f2c0fd6e15e1246b33195c48750944563f02e9d8e60a757ccee
Markdown96eba3435885b61448886f6280fdaf0b6f1ccccb0ef2a6dd101e11137adb6abc
PDF
Publication page2d6fd983fffde5a811638c5d2ebadc3dd23e397c3b03dbc15348ed2cc904e3f1
Manifest438ae117efb7b1b3d2afbfae5b68ecbbf35a1cd0e24dfe4749906e5ec221db4d

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
Signature/o7qGk82Z68FlQP+flKOz2FR7+6+fANTbdHSs2tDi+OYdjZ+N0IQmS6CB+MZ8oNz+6M2x4wXjPA78Dkj26ccAg==
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

2026-09-16T07:20:07.930171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004349
observed 2d6fd983fffde5a811638c5d2ebadc3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:07.916789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004349/manifest.json
observed 438ae117efb7b1b3d2afbfae5b68ecbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:07.904750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004349/publication.md
observed 96eba3435885b61448886f6280fdaf0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:07.891055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004349/publication.txt
observed 16f6cb6671ad0f2c0fd6e15e1246b331...
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.