OpenTechnical

OT-2026-000083160

Publication integrity record

Six bellows 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-2026-000083160) never changes.

Identity and time

Publication numberOT-2026-000083160 · never reused
Internal UUID01a0ae97-c962-76c9-9569-34b09086552f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083160
StatusPUBLIC

Content hashes

Canonical texta7a7cfb7e3d6a3def3a7edd77023fa9c4f25722a103e4233288587b3f858caf8
Markdownd0adfae8c2ab7650002f085262f9a95819dbb644f2f01280c5b7fc99c0528e96
PDF
Publication page15b4e7fb96bc4e9771b5981ef8667985e34880683ccad8f95e5d275ed0b4f118
Manifestd0015fca37b138cab20ef6954043fd84658f977f8f4956613b01e1bcd93f73a8

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
SignaturegpsBhc7297L/bhAroUEd/RlDSRA9rdk8KUtVWJYAzEWZ0RCRx3PCyE6k2ma9GQLW/akr2G2+fTtt2OAio8o6Cw==
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

2026-09-17T09:00:55.153400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083160
observed 15b4e7fb96bc4e9771b5981ef8667985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:55.135712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083160/manifest.json
observed d0015fca37b138cab20ef6954043fd84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:55.117016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083160/publication.md
observed d0adfae8c2ab7650002f085262f9a958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:55.095876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083160/publication.txt
observed a7a7cfb7e3d6a3def3a7edd77023fa9c...
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.