OpenTechnical

OT-2026-000047892

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000047892) never changes.

Identity and time

Publication numberOT-2026-000047892 · never reused
Internal UUID01a0ae7f-c421-7448-8034-412d2c373c51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047892
StatusPUBLIC

Content hashes

Canonical text0ece683573bb999e0270c56e01a840509f6d3824b326f7f20e6c0962f2fd6c08
Markdown06c118f0d8bd8b19f13ab27fabb5a25d2cd530c64b33c8b61d88ee12a5e3f50c
PDF
Publication page739c060ced53e534cd7f76da77b2ed8b71ba940c1bf0c9aee67eda59a8cdc921
Manifeste02f8d20d46f7d97193612926bab813cc0ec5aafacc47288282f063a588029c9

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
SignatureBue/HTDLQFVGXNLrzS2ER/FPJFUMompYkpPYpGgVR5T1E6xIRCIKehY8BqXsIDk/ao8btLoA+lK2zE9Jl6EFAQ==
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

2026-09-17T11:05:49.806479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047892
observed 739c060ced53e534cd7f76da77b2ed8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:49.786478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047892/manifest.json
observed e02f8d20d46f7d97193612926bab813c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:49.766516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047892/publication.md
observed 06c118f0d8bd8b19f13ab27fabb5a25d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:49.747546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047892/publication.txt
observed 0ece683573bb999e0270c56e01a84050...
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.