OpenTechnical

OT-2026-000003896

Publication integrity record

Vacuum cup gripper, two zone face, three outlet manifold, pump fed, pressure verified

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-2026-000003896) never changes.

Identity and time

Publication numberOT-2026-000003896 · never reused
Internal UUID01a0a90b-6388-7c27-87e8-f97c7e65f640 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:11.019272Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003896
StatusPUBLIC

Content hashes

Canonical text826faf283260ab5b1c3f2010405a0f978f33faf4f889ced794fbdf5c29abb12b
Markdownd37fd7a3d9b4e5c21e6ecd6d90ad87193e06c57cbefa1b69f8fd3038f40f58cc
PDF
Publication pageb54a8e9a821fc9ce6a3bc9d311523c0923f2c07802416d73cfa0d8df5ee5ec50
Manifestb2dc2b22c37c53ac3508b7311e521a99a9ab204082342090ee30d4ba7c6c1763

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
SignatureFUERLA/jxLDDSx4vheTAjSbrlCg+t4JYG48V6945Ti1XhPFq26kXlJEsIwg3p9PvVwh3Ph4arpIxv3Lz80eTBw==
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

2026-09-16T07:10:13.682335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003896
observed b54a8e9a821fc9ce6a3bc9d311523c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:13.667320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003896/manifest.json
observed b2dc2b22c37c53ac3508b7311e521a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:13.651637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003896/publication.md
observed d37fd7a3d9b4e5c21e6ecd6d90ad8719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:13.634746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003896/publication.txt
observed 826faf283260ab5b1c3f2010405a0f97...
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.