OpenTechnical

OT-2026-000049314

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000049314) never changes.

Identity and time

Publication numberOT-2026-000049314 · never reused
Internal UUID01a0ae81-1350-7715-931f-d7298f3e5458 · 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-2026-000049314
StatusPUBLIC

Content hashes

Canonical text1b50ba7207e79bcbad2648e399a0115aa21e63aa01cbb29fc0ff59fd089d1cc0
Markdown1cc9c332bf4ee7c274a8e866fce830e95e5149aa6028d0ce3c004491fa13056b
PDF
Publication page85bb35efdf88bbf5f97061c7942d65264e9a47d893e61d206c6de0785a2682e2
Manifest84d613fbb910c892649692625b1c6894fddb2143fe6a3670e40389e1758dc1e8

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
SignatureRTCXBYlFnvZE6o8mRovkyHhXOuQdTCNnjcOYx4nzVbb7u6YFPip3c/GIM12sGNwptxmWkhj3mnsH1aUIO1G6BQ==
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

2026-09-17T11:04:11.033175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049314
observed 85bb35efdf88bbf5f97061c7942d6526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:11.012961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049314/manifest.json
observed 84d613fbb910c892649692625b1c6894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.995483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049314/publication.md
observed 1cc9c332bf4ee7c274a8e866fce830e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:10.978804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049314/publication.txt
observed 1b50ba7207e79bcbad2648e399a0115a...
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.