OpenTechnical

OT-2026-000042716

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000042716) never changes.

Identity and time

Publication numberOT-2026-000042716 · never reused
Internal UUID01a0ae7a-c0cf-7cb0-a9b6-9a005414e9f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042716
StatusPUBLIC

Content hashes

Canonical texta33b2d084979d927d1cd3ba8f0d7e3165f42ed396e4e62f32616b9ac08ebff61
Markdown2767f0601f7e8ac2f91e9edeaf8942ceff880ae76df2a8b72c18abe174f985bf
PDF
Publication page60d410dd730a1b39f22aa76931d103e07d00d4635431a87297faca09b9982b65
Manifest979c6fa2ba364a57e0e624c627a4def2e3b8fd342094f870024a6f8ef716a77a

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
SignatureBGFsAnUD9c/lW6nLr2jRLMkiyAObq1bWvLuJ8dxWjhWWikgXEcDaOEf/x8Yv+74g/vA2rIkIAf9m0Wp+fZ/WCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:04.805671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042716
observed 60d410dd730a1b39f22aa76931d103e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.785710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042716/manifest.json
observed 979c6fa2ba364a57e0e624c627a4def2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.765547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042716/publication.md
observed 2767f0601f7e8ac2f91e9edeaf8942ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:04.743869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042716/publication.txt
observed a33b2d084979d927d1cd3ba8f0d7e316...
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.