OpenTechnical

OT-2026-000037491

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000037491) never changes.

Identity and time

Publication numberOT-2026-000037491 · never reused
Internal UUID01a0ae77-b8ce-78f2-9946-e8eccc9e2de0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037491
StatusPUBLIC

Content hashes

Canonical texte92f804deafbf3edbbed5b067fff58eee71f91af7eb06ce8ea2408d2babf9f11
Markdown78ca79118ee63951654bd203f90181f897a268ed48a9ab42ab34571a44ea7b12
PDF
Publication page3eda8d0fda163bd7e3c28e1c45333d51abdfc5049876e32c384fd10a36d29949
Manifest57b6d0482aa2579bc973456aca71b605b3fd8efc3698d401bf20a123f4f88cce

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
Signature2BDkFvfsORhXunoWyn/h84Xd2ymIzIZG/Hyl+puwf/vsseeJb8x1gF2hQbpt54u397vFEI4fXhx5VwlM1vwNCA==
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

2026-09-17T11:23:56.100024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037491
observed 3eda8d0fda163bd7e3c28e1c45333d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:56.080913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037491/manifest.json
observed 57b6d0482aa2579bc973456aca71b605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:56.060347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037491/publication.md
observed 78ca79118ee63951654bd203f90181f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:56.041758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037491/publication.txt
observed e92f804deafbf3edbbed5b067fff58ee...
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.