OpenTechnical

OT-2026-000005080

Publication integrity record

Vacuum cup gripper, three zone face, three 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-2026-000005080) never changes.

Identity and time

Publication numberOT-2026-000005080 · never reused
Internal UUID01a0a92d-3a3d-72d2-a78a-2f148f7ae08d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:08.672463Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005080
StatusPUBLIC

Content hashes

Canonical texte4aa6d1cb1376b1bcb0f364b956e69a401ee6a35b723b17503923e228a7139fe
Markdowncf9908a49b4873028b34998187c01f5a2d686779c6fc7eb982046eb36541089f
PDF
Publication page77e558048c43100383b6781790c35d3c3562f6f11a64838942e3aed34dbda089
Manifestf71e86665c7f33e74032567a5773f8be25fa73629ab6a04d75c37397c8b92111

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
SignatureTzRXODg51OglKcU/rE4KCKiEHU4C+f3JRhGtDW+dnxlUfJ0qAgrB0MAx08c9ZBeJx2K4BClW1ytYGXL4E62LDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:17.688462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005080
observed 77e558048c43100383b6781790c35d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.672756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005080/manifest.json
observed f71e86665c7f33e74032567a5773f8be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.654422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005080/publication.md
observed cf9908a49b4873028b34998187c01f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.637099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005080/publication.txt
observed e4aa6d1cb1376b1bcb0f364b956e69a4...
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.