OpenTechnical

OT-2026-000074803

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000074803) never changes.

Identity and time

Publication numberOT-2026-000074803 · never reused
Internal UUID01a0ae93-ac2c-72b0-8688-4dbc54b9da80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074803
StatusPUBLIC

Content hashes

Canonical text26a8a1c16940d4b1cbe63cea83e6cee66ae4658d26363890c3dc3cddb85ed3b5
Markdownd5fa2bed0accff2465a7cf649c201d868481751fdb6815f92d9cdc2ad6dba110
PDF
Publication page3c3c9b3dc35cd3aad2559cd43fb6226aedb610b5718e703417ab7ff8434a92d6
Manifest931921a61c3b0e2303b50907265a0ade44b2e664e01e114b8c54ca23026928c2

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
SignatureYrxf1qrRi1dqBKAaq6MrjATTCXDcM8v86YyN2x8bGrKroOrwKbp9hNPD9zz85xEGR6XZuJT4yBikctgct+joDQ==
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

2026-09-17T10:18:30.469684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074803
observed 3c3c9b3dc35cd3aad2559cd43fb6226a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.451709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074803/manifest.json
observed 931921a61c3b0e2303b50907265a0ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.433589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074803/publication.md
observed d5fa2bed0accff2465a7cf649c201d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:30.415427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074803/publication.txt
observed 26a8a1c16940d4b1cbe63cea83e6cee6...
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.