OpenTechnical

OT-2026-000006125

Publication integrity record

Vacuum cup gripper, three zone face, four outlet manifold, pump fed, pressure verified, 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-2026-000006125) never changes.

Identity and time

Publication numberOT-2026-000006125 · never reused
Internal UUID01a0a950-30a2-75d7-bb5e-23e30b3071ed · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:23:19.972624Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006125
StatusPUBLIC

Content hashes

Canonical text8c984ec447da21bc4b17e8adfef7f63c3ad23408a1faf435420ed76ae72fa71b
Markdown64b09d2a89304da1904c581b849b05dd6c3db6498db4a39c4422b31dae9045e3
PDF
Publication page45f144549d052978361ae25d6a9e6318888008ab7f9661a304c2551719aa6de6
Manifest4261772ea2641e9b298bd9b5a52e47fd14f13277a133d001a13b01a00bb0d982

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
SignatureSx6Z5YPJFG3Iv3VREEwpIBuhxOIe4jOJfGIW8fQ2s7Y59etmDV7a3eYhckeyQhdnPSI4TmdFSJqsPW7TCYEtAQ==
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

2026-09-16T08:30:24.693228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006125
observed 45f144549d052978361ae25d6a9e6318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:24.678551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006125/manifest.json
observed 4261772ea2641e9b298bd9b5a52e47fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:24.665439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006125/publication.md
observed 64b09d2a89304da1904c581b849b05dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:24.652661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006125/publication.txt
observed 8c984ec447da21bc4b17e8adfef7f63c...
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.