OpenTechnical

OT-2026-000005750

Publication integrity record

Vacuum cup gripper, four zone face, ejector fed, contact triggered on the face, rubber cups

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-2026-000005750) never changes.

Identity and time

Publication numberOT-2026-000005750 · never reused
Internal UUID01a0a943-90dc-7c69-8384-9acb80875bcf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:32.639808Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005750
StatusPUBLIC

Content hashes

Canonical text4a10526430dcfc13448a117fa52a4c122a4d594e50403f8b66256fc8b1918576
Markdown6e80953afd1b8458c7157df082dd496f1d8ace995df011228a46a763e431031e
PDF
Publication pagee0b0e394f96fa50f507ccdd6fa54b12b93c8f0650e5b9406f0aa8cc6827b0ac6
Manifeste088003a99e9619eb2c77c870435071897f87953a63a86ba691b25c1fb5fb6e3

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
Signaturep2t89ttmC6sqe4RIkKw4qbyaV+EtK5SyWZ+Zsv6yXdm2hAr5T0UdnWJ0OY40eKU7pwIuEaZ/y9bJwb//Bt2NBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:04.190566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005750
observed e0b0e394f96fa50f507ccdd6fa54b12b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.177283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005750/manifest.json
observed e088003a99e9619eb2c77c8704350718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.162019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005750/publication.md
observed 6e80953afd1b8458c7157df082dd496f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:04.149080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005750/publication.txt
observed 4a10526430dcfc13448a117fa52a4c12...
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.