OpenTechnical

OT-2026-000046595

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed 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-2026-000046595) never changes.

Identity and time

Publication numberOT-2026-000046595 · never reused
Internal UUID01a0ae7e-57de-7b7a-bc17-4cecf5d1c0d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046595
StatusPUBLIC

Content hashes

Canonical text91490f01727cd609397a04b36be2dea333637652b6fad294df65c064ccaf9afd
Markdown249f35dca730038dbbc6f1dca0c5c1728328f5209fd131d27aa88dddf87e93ca
PDF
Publication pagee3b660c5af5a098022e251ab09686618885b7e04e1ba62e1d9bfc03eef98ad25
Manifestacbd334c6c608deda8acb9c97e6f7d66984a47075d324500650d16f03e03a513

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
SignaturewU+qrOVSxsO9qZef6WTJibxQBWFD1+TuXbOXc5AFOCJX/o03WsWJs8XaXlSdxoscUO98XiNpFxcgQqMYj89VBQ==
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

2026-09-17T11:08:40.237751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046595
observed e3b660c5af5a098022e251ab09686618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:40.219660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046595/manifest.json
observed acbd334c6c608deda8acb9c97e6f7d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:40.199864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046595/publication.md
observed 249f35dca730038dbbc6f1dca0c5c172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:40.180462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046595/publication.txt
observed 91490f01727cd609397a04b36be2dea3...
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.