OpenTechnical

OT-2026-000072832

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented before set-down

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-2026-000072832) never changes.

Identity and time

Publication numberOT-2026-000072832 · never reused
Internal UUID01a0ae92-89da-7ac1-8e8d-29af6d03a2dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072832
StatusPUBLIC

Content hashes

Canonical text4ecdf817a700ed950241352e90d219df01b0bad2744d643667e91543dfe6f369
Markdownbabc3f8961245487e992bf7e13160ca64c5d63afdafe9330f2572cc3109d1d51
PDF
Publication pagea88449bf461f7e2d3b4be705e019f0a6eee3ccb654ff0ea08ae0ea3800e191b6
Manifest1c235f3927bac38f767d7a920bc587015d438d3f577dbf29d71eeeb660ae0bb8

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
Signature69bzswtGk7alyoa4aL/NVTq1G5Ks8bZsqrBA6YtISzL2JG9md8c11gQg8Z0GHDmHylApgxfBVEwy8WjWE2OPDg==
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

2026-09-17T10:22:45.214211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072832
observed a88449bf461f7e2d3b4be705e019f0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:45.196779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072832/manifest.json
observed 1c235f3927bac38f767d7a920bc58701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:45.179219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072832/publication.md
observed babc3f8961245487e992bf7e13160ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:45.163023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072832/publication.txt
observed 4ecdf817a700ed950241352e90d219df...
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.