OpenTechnical

OT-2026-000006506

Publication integrity record

Vacuum cup gripper, common isolation valve, six outlet manifold, ejector fed, rubber cups, oval form

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-2026-000006506) never changes.

Identity and time

Publication numberOT-2026-000006506 · never reused
Internal UUID01a0a95d-995a-7274-a271-ab0372d215d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:37:58.749373Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006506
StatusPUBLIC

Content hashes

Canonical text7f8d3cfda57c233b85b8ccd24856f1e973250ffd3ad81911f8b423d965670e60
Markdown95d1ef62fb96ded603982ce019499ba08acb2e5f0ac98ae907ac1d4b4b23e1d5
PDF
Publication page2ce808a1c0774fdd70f9656ccbac19fbfa0bbe3a9e9d237dea3422416e9687fa
Manifest89d73ee12dd1fa7efb7cdd225a6035fa9f28752484ee933f246c53fcb99fe7bc

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
SignatureUhHHtLoeutE4qfvMOtpaiK5qbzoaoHKksHBZicCO2M5gudtxtmheARPHabJYFOz8zA70YKt50nmSlenSD4epAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:09.664333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006506
observed 2ce808a1c0774fdd70f9656ccbac19fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:09.651441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006506/manifest.json
observed 89d73ee12dd1fa7efb7cdd225a6035fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:09.639232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006506/publication.md
observed 95d1ef62fb96ded603982ce019499ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:09.626259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006506/publication.txt
observed 7f8d3cfda57c233b85b8ccd24856f1e9...
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.