OpenTechnical

OT-2026-000078160

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000078160) never changes.

Identity and time

Publication numberOT-2026-000078160 · never reused
Internal UUID01a0ae95-6e8c-7a40-a17d-770fe573cc53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078160
StatusPUBLIC

Content hashes

Canonical textdbfe7bca3a2af1c41d15bbbd43b2d1e5643a56b61022f87039090af7f8d6d3e9
Markdown5f9ca30ee59c95520663e901333f69663369649a0d18ad42b516e8266fd989f5
PDF
Publication page8448e5d086612f95a6696f05c887d387db7766467f9cbc95db70dd7d23071b6d
Manifest1ac6b9bf778adc38337b59b12cb104d14aac1b5e72e60cd61f26b7b850b8d261

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
Signature5HeCW2A91flLhTjFggKGXHF4MMynaZRO6d03PteCHbMriq8lf/xkRWhY1OO1bmJIfHQPwkkzBDxNNmsgB5vhCA==
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

2026-09-17T10:06:52.569755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078160
observed 8448e5d086612f95a6696f05c887d387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.552114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078160/manifest.json
observed 1ac6b9bf778adc38337b59b12cb104d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.532944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078160/publication.md
observed 5f9ca30ee59c95520663e901333f6966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.514695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078160/publication.txt
observed dbfe7bca3a2af1c41d15bbbd43b2d1e5...
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.