OpenTechnical

OT-2026-000003866

Publication integrity record

Porous face vacuum gripper, four zone face, three outlet manifold, plant vacuum 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-2026-000003866) never changes.

Identity and time

Publication numberOT-2026-000003866 · never reused
Internal UUID01a0a90b-4bdb-77f0-bbe3-548d4a9bfbe9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:04.959415Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003866
StatusPUBLIC

Content hashes

Canonical text67220d3806f55eadb09118a28cb1d3c59bc824c9e1a161460620e8b945c627c7
Markdownf428bd7c7118a7696d563da493dddc983dd3e00d729e90c64f528e8b1534ecaa
PDF
Publication page5e26615623bc934587c4116d7ebce1da59ecd22c74403dd60d42d08f9d23dbb1
Manifest1edf28a0fe64a672f007831636ffbd60ce8c5865e136139df9753355fe608690

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
SignaturesoZMFYX4h4xAlhUMrUVnncWeYZRyqcDoaD8u9T4lOuvYpYNj2tBHFYHEVocktUQyKD3XOXnd88im31DEMxM1Cw==
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

2026-09-16T07:10:15.652553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003866
observed 5e26615623bc934587c4116d7ebce1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.636872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003866/manifest.json
observed 1edf28a0fe64a672f007831636ffbd60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.624173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003866/publication.md
observed f428bd7c7118a7696d563da493dddc98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.609468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003866/publication.txt
observed 67220d3806f55eadb09118a28cb1d3c5...
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.