OpenTechnical

OT-2026-000073435

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000073435) never changes.

Identity and time

Publication numberOT-2026-000073435 · never reused
Internal UUID01a0ae92-efb8-7cf9-b20b-8f0409d92896 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073435
StatusPUBLIC

Content hashes

Canonical text2c56368836289deaaca579dd5654ca8e589749e871735a27fd6bf7e84192c263
Markdown4489eec0000d4fbdd9b23e8e570eef4c9c728fcf83b847b9200a2bd0774cd245
PDF
Publication pagea713d5b7165ac01c13352b3b656b8c5394081ad7898cb263eb0f71323533a4f4
Manifest3f4c09ca9acf4753726c0dbff2a77358bf2b501b6b969f5b8cac9aa20c8b83f9

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
SignatureiINvbixGajabeILT2GoMChTS44tC6MAQdo20xt9eJdXe0cs2R0WKbgLSqJmOBQvbk2545LM/DQajbYO0KrnEDA==
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

2026-09-17T10:21:35.522799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073435
observed a713d5b7165ac01c13352b3b656b8c53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:35.505453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073435/manifest.json
observed 3f4c09ca9acf4753726c0dbff2a77358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:35.488129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073435/publication.md
observed 4489eec0000d4fbdd9b23e8e570eef4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:35.469379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073435/publication.txt
observed 2c56368836289deaaca579dd5654ca8e...
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.