OpenTechnical

OT-2026-000003816

Publication integrity record

Vacuum cup gripper, ejector fed, pressure verified at each zone, 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-2026-000003816) never changes.

Identity and time

Publication numberOT-2026-000003816 · never reused
Internal UUID01a0a90b-247e-786f-bca9-2e5110670512 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:54.880689Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003816
StatusPUBLIC

Content hashes

Canonical text990460aedf49573862ecd9a9d14dd31b40563239ceacb280c858181c561f4d23
Markdown1f0b7e960449a15e82fbb102f5b9d2c50781e4d5791c690a4364007339ed9a2f
PDF
Publication page5418d6d759f84b61cd881e3c915853d86129c38f1b8346b5a8b8c540471a78b9
Manifest05449d3b1db9c644a27306ba75a260117e65c947143d49b8caf233f16a29425e

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
SignaturezZ2+Ib6HDAN0uszs3aB+SCuMg2dsNNS7m4MsZq1BNynj2xTkNlFiHOsUt0WoeROXOdxOILi3m/b+7Jj61Z8EAg==
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

2026-09-16T07:10:18.652342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003816
observed 5418d6d759f84b61cd881e3c915853d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.636725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003816/manifest.json
observed 05449d3b1db9c644a27306ba75a26011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.622901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003816/publication.md
observed 1f0b7e960449a15e82fbb102f5b9d2c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:18.608169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003816/publication.txt
observed 990460aedf49573862ecd9a9d14dd31b...
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.