OpenTechnical

OT-2026-000006437

Publication integrity record

Porous face vacuum gripper, six outlet manifold, plant vacuum fed, pressure verified, open cell

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-2026-000006437) never changes.

Identity and time

Publication numberOT-2026-000006437 · never reused
Internal UUID01a0a95b-35fc-773e-bbe5-e3a95276c354 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:35:22.239148Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006437
StatusPUBLIC

Content hashes

Canonical text992be2aef5779744cf9ef3e117e34256a3354d4abb1596de0aac13bfa01c5538
Markdown7f0ea081ff0db6b3813788933f66e46dd62eeb7105a32958a2ec6fffce6a6afa
PDF
Publication pagec2a0a06e5f6cb0c4b7ed9ade4a3aef950da99da3454e2122a737164b2c04043d
Manifest6664c6bc60f74d7d4d5d22c9020ecbf6923d26db3d9d3aceb010e9808cfde8ce

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
SignatureyQ85mZL+dJO3gzejvXeP8g4Kxb8nG87XD7fm8Vq+3zfa3Ou/gkQlgckFfoLcDr4wVQ/6/DcMhHd9s3mlj/SjAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:17.706258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006437
observed c2a0a06e5f6cb0c4b7ed9ade4a3aef95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:17.692892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006437/manifest.json
observed 6664c6bc60f74d7d4d5d22c9020ecbf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:17.679206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006437/publication.md
observed 7f0ea081ff0db6b3813788933f66e46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:17.665214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006437/publication.txt
observed 992be2aef5779744cf9ef3e117e34256...
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.