OpenTechnical

OT-2026-000027182

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000027182) never changes.

Identity and time

Publication numberOT-2026-000027182 · never reused
Internal UUID01a0ae72-3454-76ff-9500-a1728ff826af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027182
StatusPUBLIC

Content hashes

Canonical textb328dfcf706e105fe00859439102a373ce085f3f9840e5f8744774895fb9210e
Markdowne6d62ad632d0d9ddb33993ebcfb8e7e48c050b5335eb2c72408d365ff8bda3f5
PDF
Publication page1e7e5bb3a635db833f00ecab4433e87c63b4bb8322426be06205e7752cce6566
Manifeste249c0aea9a6a2850b3f7d413166beccebc637a0c32e53810f077768d31f2cab

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
SignatureaipwaTgOYCprSLImqBpIhTY5rAUEtJ7+JRTDHC/3XoWajOfF2qL6/ptpsfUfo5FKCBk0Sw3dpPlbMMe3sUTmCg==
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

2026-09-17T11:44:04.110622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027182
observed 1e7e5bb3a635db833f00ecab4433e87c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.093728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027182/manifest.json
observed e249c0aea9a6a2850b3f7d413166becc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.075656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027182/publication.md
observed e6d62ad632d0d9ddb33993ebcfb8e7e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:04.056972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027182/publication.txt
observed b328dfcf706e105fe00859439102a373...
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.