OpenTechnical

OT-2026-000103974

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000103974) never changes.

Identity and time

Publication numberOT-2026-000103974 · never reused
Internal UUID01a0aea5-15e8-7122-8ebb-b18c605c0b3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103974
StatusPUBLIC

Content hashes

Canonical textb736237b081906f1ca5e05bce153eaaa6aa72951fe4cc942357031bbac1ce3ea
Markdownd3549f14578d28a39028e4c7ad50e7da6eeeae25098553697dddaa5b7967f848
PDF
Publication page1bdc45849d071de37b3fcbed00da4376b69909109f89c2399463665c712aa037
Manifestd348e48656bde0787b6f4bb9dc308b0d658b9e663589ce097d23adba7d1a4955

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
SignaturesQeWHRJs7MLQncZUzBBtD4H4Pyju5e7MAodDsRx5D0ANxx3FmKDr5jt+n2KWsM/2EFFpJ5YQ/qYD4v6RvT0IAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:49.111018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103974
observed 1bdc45849d071de37b3fcbed00da4376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.093474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103974/manifest.json
observed d348e48656bde0787b6f4bb9dc308b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.074214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103974/publication.md
observed d3549f14578d28a39028e4c7ad50e7da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.045789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103974/publication.txt
observed b736237b081906f1ca5e05bce153eaaa...
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.