OpenTechnical

OT-2026-000003662

Publication integrity record

Porous face vacuum gripper, three outlet manifold, pump fed, sustained blow off after set down

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-2026-000003662) never changes.

Identity and time

Publication numberOT-2026-000003662 · never reused
Internal UUID01a0a90a-ac89-7adc-b9d8-d067082837e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:24.171883Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003662
StatusPUBLIC

Content hashes

Canonical textdafef032b6227c3cad05b016e7aae03a23eb6f6eb29b6c2dcc167575707aaee2
Markdown462f2fb43a2f118619afd92bc76e2ce6121b252a7955b6336408883f91ef1d02
PDF
Publication pageef8f04346dee1a5a7c760cdde44034a3ff73237f5fedc111be559b8670280026
Manifestd6f5a2bdebfe7509ddcfd8deba16d7cadd69aa4371d18bc117460eaa9829244e

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
SignatureL6wvdFVcfQ6qk7fpr7cSpx9JI59SyTzZrFN2ILqwQ9kXoQKB3OJVSrKjbvXXgkUp7B9fdZk8MMYD2sl08S3aDw==
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

2026-09-16T08:20:35.972966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003662
observed ef8f04346dee1a5a7c760cdde44034a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:35.956458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003662/manifest.json
observed d6f5a2bdebfe7509ddcfd8deba16d7ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:35.939497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003662/publication.md
observed 462f2fb43a2f118619afd92bc76e2ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:35.922034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003662/publication.txt
observed dafef032b6227c3cad05b016e7aae03a...
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.