OpenTechnical

OT-2026-000055233

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000055233) never changes.

Identity and time

Publication numberOT-2026-000055233 · never reused
Internal UUID01a0ae86-a0ff-7b38-91f6-009573a34e9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055233
StatusPUBLIC

Content hashes

Canonical text410e0974c6b8c4f6ea0782dc94559985dbd57542e85d3f99a2ac9217de7488df
Markdown2eb31a5deab899424877d86617e89d9e3859870f0dbc9f24c8b58b394a75d668
PDF
Publication page6979234e9a1a4e408397f393e5bb925325f90ce5336a31c23f6136f7b7069c76
Manifestd10c0802df3df7653a7c3abf7eaaf5b212123b67adc5ec3c9f3ec7fbbe72a1bf

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
Signatureoq337AbjiuwQrrQVJbYgVuAv/UwpjtV9SLkF4PWe8JTTpv3gw+fTzTl8ZTmycWIEeO6DDBK4xqe9bSWb+8G9DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:48.935563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055233
observed 6979234e9a1a4e408397f393e5bb9253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:48.918299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055233/manifest.json
observed d10c0802df3df7653a7c3abf7eaaf5b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:48.901964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055233/publication.md
observed 2eb31a5deab899424877d86617e89d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:48.883599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055233/publication.txt
observed 410e0974c6b8c4f6ea0782dc94559985...
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.