OpenTechnical

OT-2026-000103349

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000103349) never changes.

Identity and time

Publication numberOT-2026-000103349 · never reused
Internal UUID01a0aea4-e45f-7651-9768-4c4f99699dcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103349
StatusPUBLIC

Content hashes

Canonical text480fbfe2b4c6a351c5293121b28b6b218851da6431e2331efbe951d8ade2e7dc
Markdown80a1c170a3f0847ee2ebb2f54dbc8632987e5bfb6b67248046344256410047f2
PDF
Publication page8f26e8c07502262d58fff7ae37091ad97ffc80e00139fdfdeb1a5475e3485506
Manifest3db303315437946df6a171fd0df0e4977789a93635adbf1e5a2c7f1017858b36

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
SignatureTWtZmBKWjdZxkkiE/m3SwpEc2ThV0rOtDNm1H9ExjH6U64TIOx8cxjIAD4WZen1QHYbQ7PlFZeIDZM6GmJ00Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:04.842402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103349
observed 8f26e8c07502262d58fff7ae37091ad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:04.823815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103349/manifest.json
observed 3db303315437946df6a171fd0df0e497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:04.804947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103349/publication.md
observed 80a1c170a3f0847ee2ebb2f54dbc8632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:04.787115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103349/publication.txt
observed 480fbfe2b4c6a351c5293121b28b6b21...
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.