OpenTechnical

OT-2026-000004513

Publication integrity record

Vacuum cup gripper, three zone face, six outlet manifold, ejector 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-2026-000004513) never changes.

Identity and time

Publication numberOT-2026-000004513 · never reused
Internal UUID01a0a91a-7b53-7875-ad5e-03eccd250b9c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:24:40.150220Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004513
StatusPUBLIC

Content hashes

Canonical text6906bbed9162b03bc687409c2d0ec9497157d24d6054dbb5c71eb16bd63a9251
Markdowne450fd58ff1b7278a8c835e5c0189a7b89b83ae33f0378c339aa234012d008d0
PDF
Publication pageaf5e9214ca2b82744536176cf26ce0e04944c227a813f16b1573dcfb2f5b5371
Manifest698ccd45735e3fbc5ba387e02b642e29fb06fd8bb7a49aa62418668a87df9cee

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
SignaturenyfS66T+EoTFsok0AWa5ru++KRzOWeHZKgk7p6riW5zkTJ2WFcRSPvnvLkvzMke9IzosACQQLxkK8paqR4G3Dw==
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

2026-09-16T07:30:19.660595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004513
observed af5e9214ca2b82744536176cf26ce0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:19.650401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004513/manifest.json
observed 698ccd45735e3fbc5ba387e02b642e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:19.637216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004513/publication.md
observed e450fd58ff1b7278a8c835e5c0189a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:19.622830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004513/publication.txt
observed 6906bbed9162b03bc687409c2d0ec949...
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.