OpenTechnical

OT-2026-000039109

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000039109) never changes.

Identity and time

Publication numberOT-2026-000039109 · never reused
Internal UUID01a0ae78-9673-7f8e-bca3-59451a023c39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039109
StatusPUBLIC

Content hashes

Canonical text5a6dbcc21f07601acd8f94fc3d784c26c0b75b8ae9d9cd028f6d2fa009a7cb57
Markdowne38371bd1b979f9290dc706d6159393e8153f925a838e4c15225f1bdc85e391c
PDF
Publication page852f24fd229295c375eee142382f6e50a8af17b65f3fe69e44f821c7fcaeab9a
Manifest2d41974d8348319905d8f270c0063d8bc071812a30cf2d37d22a9a0171f4a2b6

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
SignatureiXOd4pzrT70enqdfjE5IxJYryxgAGzQKFA31VIPINf1lsGE6pcScmCq2wBqMTiBhqynujZNmLCvkvu2uILWFCA==
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

2026-09-17T11:20:35.991106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039109
observed 852f24fd229295c375eee142382f6e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:35.972231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039109/manifest.json
observed 2d41974d8348319905d8f270c0063d8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:35.952865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039109/publication.md
observed e38371bd1b979f9290dc706d6159393e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:35.932769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039109/publication.txt
observed 5a6dbcc21f07601acd8f94fc3d784c26...
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.