OpenTechnical

OT-2026-000064557

Publication integrity record

Six cup vacuum gripper, six 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-2026-000064557) never changes.

Identity and time

Publication numberOT-2026-000064557 · never reused
Internal UUID01a0ae8d-a462-796b-9f09-7e51da7956a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064557
StatusPUBLIC

Content hashes

Canonical text621fe64885a079009ec14a7f554aedb1c8fc6c2b1126189aa221583720cca78d
Markdown54560ec3adf004eaeeb325c5e3ce18ae95cba53b6c3364bbe83b62a9884cfc80
PDF
Publication page59aa9f3c49672831c60ee3f7ad0bff23e44fa39b06fb176fd14d1e299c4a1adb
Manifestd491c2eb8ef2dd8bd562d0ae9728ad352214f4b766b1d9326f4a84da8d071661

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
SignatureuUsZBtLhrwrFUgaYVUOrjhaLdRqq2WDmcT0jzXYF/l3E20ZpvS6ppvsek8dZLybpMQgbAJYXUZZpBSkPNwF5Ag==
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

2026-09-17T10:36:46.680205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064557
observed 59aa9f3c49672831c60ee3f7ad0bff23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.662067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064557/manifest.json
observed d491c2eb8ef2dd8bd562d0ae9728ad35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.645618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064557/publication.md
observed 54560ec3adf004eaeeb325c5e3ce18ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:46.626405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064557/publication.txt
observed 621fe64885a079009ec14a7f554aedb1...
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.