OpenTechnical

OT-2026-000056974

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056974) never changes.

Identity and time

Publication numberOT-2026-000056974 · never reused
Internal UUID01a0ae87-d5b5-7ad8-9d4d-54c12a31f434 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056974
StatusPUBLIC

Content hashes

Canonical text32b90d8c1dfe8521f83c5ac1b8a5b62cf44d1ee3b63c4f006ee926b0dfd8e1fb
Markdown20af031f55747c2abb2c40e78834220ee5b7de693cbce9cf5c3273917d67233a
PDF
Publication pagedfaeed827cb07e8fca22f402a7baebdd925bfa0545a83b1322dd3bf4537c109e
Manifest741e2cf66a80909424a5d0280599fcd6d26a5a540c0478dc3992c9c86952a9fa

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
SignatureMnql84fruMlidLGCim9KH2S6e8yf9oyM0Rt2IF6Kk7UaJzYskD4xmDWV5+Y6woln1zA7ZpsMrQmWkkBG6dnjAQ==
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

2026-09-17T10:48:26.219784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056974
observed dfaeed827cb07e8fca22f402a7baebdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:26.201422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056974/manifest.json
observed 741e2cf66a80909424a5d0280599fcd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:26.181789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056974/publication.md
observed 20af031f55747c2abb2c40e78834220e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:26.162229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056974/publication.txt
observed 32b90d8c1dfe8521f83c5ac1b8a5b62c...
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.