OpenTechnical

OT-2026-000004713

Publication integrity record

Bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000004713) never changes.

Identity and time

Publication numberOT-2026-000004713 · never reused
Internal UUID01a0a920-fa9a-7eac-8fe9-817abd86bb27 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:31:45.948874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004713
StatusPUBLIC

Content hashes

Canonical textec5eb9ef0310fd1bccbc90e9abc2afe1738b7975289e12794e68ddb6864a5d47
Markdown3a4ea7cc6125066e1a10448b8c50d69cbfb25659270394c772c69a1b5d4d4108
PDF
Publication pageb00ce9b294b22746e0d18d0ec98cba1ca3372a7eaba9f754af19240ca4f779d9
Manifeste9d6d6e8a4ea63c01dfe6e95d9ebe6fd83818328de333d727abea62c88ed1977

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
SignaturepP4//f59neBXS/buBkWnRtKmdli0DciDBxdt6uOUble+DFO4e7BOzsHSZqQfoGErC7hw1UTlEankcq2k2Xi3Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:26.883417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004713
observed b00ce9b294b22746e0d18d0ec98cba1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:26.871026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004713/manifest.json
observed e9d6d6e8a4ea63c01dfe6e95d9ebe6fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:26.735266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004713/publication.md
observed 3a4ea7cc6125066e1a10448b8c50d69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:26.723750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004713/publication.txt
observed ec5eb9ef0310fd1bccbc90e9abc2afe1...
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.