OpenTechnical

OT-2026-000011537

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump 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-2026-000011537) never changes.

Identity and time

Publication numberOT-2026-000011537 · never reused
Internal UUID01a0ae6c-88ff-7d90-8225-e654bffa38cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011537
StatusPUBLIC

Content hashes

Canonical textbf37b50692ef96c3dce869f253472e9b63855186d98d921a3c68788fae0c53c1
Markdownd0ff58d25d8ee28f3e053907e40772ca7ab88785a0d92c9cf1bacf5ca75fd7cd
PDF
Publication page3b64ed25eb9f96527848d473b1c2af28fa2e0283cf0adcda0874aa9dc7894544
Manifest09d97d5682c19d8766e8bc478ef232fe23cbb781bb5ce0951b6f2e29d4c4425f

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
SignatureLNJ+T8BaZUcboRdICRFen/WdVR7C/zb7YfO7rri4szszZjjUFP3gSfsb6M5XQEcG0iabp31c+KC4Gh9q9KelBA==
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

2026-09-17T12:13:19.615171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011537
observed 3b64ed25eb9f96527848d473b1c2af28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.596108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011537/manifest.json
observed 09d97d5682c19d8766e8bc478ef232fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.576974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011537/publication.md
observed d0ff58d25d8ee28f3e053907e40772ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.558511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011537/publication.txt
observed bf37b50692ef96c3dce869f253472e9b...
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.