OpenTechnical

OT-2026-000067798

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000067798) never changes.

Identity and time

Publication numberOT-2026-000067798 · never reused
Internal UUID01a0ae8f-c4fa-7d82-a5eb-fce3969e267c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067798
StatusPUBLIC

Content hashes

Canonical text4582ca19f187bc1453afd25196b9fb510d5b947df141d89adaa2bfd06fbc11ed
Markdowncc933084ec281005f14d25e6085acddf63a030f7d7c58ee787a3275ba58a580f
PDF
Publication page9c05f798f0e454c881f9b8fa2340e09197a530a86a2679c169a10ab995038f93
Manifest7cc174b88d01dc0aa0c25beadd7f95d322aabc99fab608e26706636acafba2ec

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
SignaturehVd5TtMTBjwE5KGNV36+OgR7ss13z9aKN9036DTNkauIOqSnoW0777GCxrM+3LwV9d3qbX85St4lLqZr7zcoDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:02.201380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067798
observed 9c05f798f0e454c881f9b8fa2340e091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.182350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067798/manifest.json
observed 7cc174b88d01dc0aa0c25beadd7f95d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.163295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067798/publication.md
observed cc933084ec281005f14d25e6085acddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:02.144725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067798/publication.txt
observed 4582ca19f187bc1453afd25196b9fb51...
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.