OpenTechnical

OT-2026-000053458

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, vented before set-down, on a tool changer

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-2026-000053458) never changes.

Identity and time

Publication numberOT-2026-000053458 · never reused
Internal UUID01a0ae85-0a90-781d-94aa-995b3d523f10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053458
StatusPUBLIC

Content hashes

Canonical textbda4570408ff9b5425962e8b131300de96de08434b1dc79dd4ec0ee259cac386
Markdown311683eb9a227dd0aed9b93c0e6dc1cad316da1acec97795bae351b6235c71a3
PDF
Publication page6935100d58fa74219c8c84e973b33c12a40cc97f6a82e3cb139909f08e6329b4
Manifest6b522d69a3f507a560d1f948998dd4e233ecbb899dfa67422837b581c17897a1

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
SignatureeSDdeJGOV2WPAN5epYsYLRQe8vV09XlZTQgCSkYJzYBzpjvNQqaiSoSfYbYVO9Bj+Ix22sGhdm1aYo+KPhO3CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:12.369523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053458
observed 6935100d58fa74219c8c84e973b33c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:12.351552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053458/manifest.json
observed 6b522d69a3f507a560d1f948998dd4e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:12.332722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053458/publication.md
observed 311683eb9a227dd0aed9b93c0e6dc1ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:12.314416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053458/publication.txt
observed bda4570408ff9b5425962e8b131300de...
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.