OpenTechnical

OT-2026-000058441

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000058441) never changes.

Identity and time

Publication numberOT-2026-000058441 · never reused
Internal UUID01a0ae88-f39a-7dd8-94ee-84e568d92aca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058441
StatusPUBLIC

Content hashes

Canonical text33c1f069851b91f33aabe16c22ded6e138588e1c1e45ae1d62f6dc1c8f73bb9f
Markdowna1bb2732b30768b4890348efdb7f8edb595f27cd48d70978598a140f197b7b9f
PDF
Publication page624fd59c92dbc930bc06af8e140101fc58beb3edde6a6f885c3beae273b19bec
Manifest86a5b47646f6d1673343d8b215d9a892d3541307e472908de67ad09acdf23395

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
Signature36whexlLhuJvStfqV110Xs/1mXxDAJ4AlfwJtCl9jY7fa1nRnboG6pwOhMVsxjXNRbI4JSZ/kzXqWcRuMmkFBA==
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...

Independent retrieval

2026-09-17T10:46:53.100718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058441
observed 624fd59c92dbc930bc06af8e140101fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.084028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058441/manifest.json
observed 86a5b47646f6d1673343d8b215d9a892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.064412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058441/publication.md
observed a1bb2732b30768b4890348efdb7f8edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.047019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058441/publication.txt
observed 33c1f069851b91f33aabe16c22ded6e1...
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.