OpenTechnical

OT-2026-000078794

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000078794) never changes.

Identity and time

Publication numberOT-2026-000078794 · never reused
Internal UUID01a0ae95-ccbd-7a34-a721-a0a1c728389b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078794
StatusPUBLIC

Content hashes

Canonical text0800193f6605d7480195470f5280e30db912512ae7a9537c9ec9fb060b195630
Markdown06b5e03c2603d97dffdc02db411defb8b44b7bc9d97ef74dcd113638e8a7ea85
PDF
Publication page2396c1a872975a85d637117124fce035a6240e84432e435348dd4787a87b8061
Manifest936fd8f850191098b052f3c2c983997a447686d62aa909cbdb8a2d138d76db6f

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
Signaturee6ZecWoT1QyN3J85SqbZYi4Gi2qZOnLZmiGs2Bj2YVXuAQjM3f7v7pAb0iX3y//Zv9bpTEA/CfMY1Kdp1pl7Dw==
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

2026-09-17T10:05:35.045458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078794
observed 2396c1a872975a85d637117124fce035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.027926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078794/manifest.json
observed 936fd8f850191098b052f3c2c983997a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.009864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078794/publication.md
observed 06b5e03c2603d97dffdc02db411defb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:34.989851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078794/publication.txt
observed 0800193f6605d7480195470f5280e30d...
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.