OpenTechnical

OT-2026-000034141

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000034141) never changes.

Identity and time

Publication numberOT-2026-000034141 · never reused
Internal UUID01a0ae75-df0d-7f36-9446-755a989c8653 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034141
StatusPUBLIC

Content hashes

Canonical textb699e597f7f679c4984e76bb0eb8ae327088b52c509d35a6b67fae8f2e98cd83
Markdowndb6eeba946303f79c9e092797816d480780fa1205f433a905d81483670833850
PDF
Publication pagee296ef4b4e5cf0620c0888bfeedd75c24aa1d030ae115f6ff4412322354d0a44
Manifest7d3ee7ea3df2b56526025546f5289c805e10e5bab59b6ee1068c29357b0a0a73

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
SignatureQ/F5JWPXw+iCaajDVpmIh6ym+gZOsI6VJK7nDwxuCvaUZbgVXfUBrRHjOkcGTP7lgofabPtvIWaGd6WiSNALAQ==
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

2026-09-17T11:30:32.255749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034141
observed e296ef4b4e5cf0620c0888bfeedd75c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.240374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034141/manifest.json
observed 7d3ee7ea3df2b56526025546f5289c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.221951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034141/publication.md
observed db6eeba946303f79c9e092797816d480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.198844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034141/publication.txt
observed b699e597f7f679c4984e76bb0eb8ae32...
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.