OpenTechnical

OT-2026-000049185

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000049185) never changes.

Identity and time

Publication numberOT-2026-000049185 · never reused
Internal UUID01a0ae81-134e-7ab0-b5a1-35e5fd009c83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049185
StatusPUBLIC

Content hashes

Canonical text37ac6567c3b2eaf54180afa04448c3f085744a2a82303a28e4dae079d64063d5
Markdown942973cfab164186ab708fbc8144ab236cb39028b3a77fa9ad9ed4ebd5e9c950
PDF
Publication pagefd3a17dc90b4f3a8f976c94dd82193016b54b235a5e790a0b122f75648fead58
Manifest05e83fcf64f91cc40eadb46dad4158b4331b48343cff9aa21ae122d3946b65ac

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
SignatureSsm/8nq9DFR4nC5FsyJ1PMXTvp4GlhN79B8B5/gvZIqc3Zl9LFnKrhGtpbuHCslt38s8yHvypBoSqvDqHHcvAQ==
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

2026-09-17T11:03:59.526221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049185
observed fd3a17dc90b4f3a8f976c94dd8219301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.506985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049185/manifest.json
observed 05e83fcf64f91cc40eadb46dad4158b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.487423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049185/publication.md
observed 942973cfab164186ab708fbc8144ab23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:59.468730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049185/publication.txt
observed 37ac6567c3b2eaf54180afa04448c3f0...
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.