OpenTechnical

OT-2026-000086658

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000086658) never changes.

Identity and time

Publication numberOT-2026-000086658 · never reused
Internal UUID01a0ae9a-2c99-7500-a340-3acef4687ce0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086658
StatusPUBLIC

Content hashes

Canonical texte7245497bb18cbd37e1b86f718e7a3b5ca3079dd7cd9f5e50588c663df16a1b8
Markdown10635f084e96fa30d9cca947fc4c3e4b3f9671d8ea9510fa94f31f8b13de2a5e
PDF
Publication page5a153f573398cfb6f58e41e8e5cb5738a32a7e4495b3ac05c345e816f9bdaf77
Manifest9038570b5a3894f5df7897c0af07741b047bb986b552ebc781257d039c206de3

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
Signatureh69NeGO5thNOjCYChfuA78pCwidAFAYG40se3D0UdQ2nSkxCwYCs0H4eiDkzDsH1ATwH8SYmaUD1NRlq3rPUBA==
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

2026-09-17T09:52:31.301166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086658
observed 5a153f573398cfb6f58e41e8e5cb5738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.283758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086658/manifest.json
observed 9038570b5a3894f5df7897c0af07741b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.265448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086658/publication.md
observed 10635f084e96fa30d9cca947fc4c3e4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.245998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086658/publication.txt
observed e7245497bb18cbd37e1b86f718e7a3b5...
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.