OpenTechnical

OT-2026-000037039

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000037039) never changes.

Identity and time

Publication numberOT-2026-000037039 · never reused
Internal UUID01a0ae77-7740-73b1-ade6-0f2c4572e974 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037039
StatusPUBLIC

Content hashes

Canonical text5e847e23f2218ff739b14170f36b4d4bc0bdc8b471a2cfe5091e378e5932d225
Markdownb6b2182900387bb1d6ec41ff02a857f83a2e691b984bdd06379ec86e25560d03
PDF
Publication page09e4b62d0940c9b3a1810bd2b0bafffc51ea5fbee48ac56008a487180d98e19f
Manifest034f4c0a8a316d21b093784981a7f734c8d7308f0d3d7db2780fc6bbb4fcc6cb

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
SignaturexXLoyFbJo6Gh2HlExFcfNydHkk0d2TV+bTNjViM+2uJpVshz5pDvIqe3/b8eLk7cgqTu6g7XJfVsqnL4g3+gAA==
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

2026-09-17T11:24:52.931393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037039
observed 09e4b62d0940c9b3a1810bd2b0bafffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:52.908898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037039/manifest.json
observed 034f4c0a8a316d21b093784981a7f734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:52.888105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037039/publication.md
observed b6b2182900387bb1d6ec41ff02a857f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:52.865660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037039/publication.txt
observed 5e847e23f2218ff739b14170f36b4d4b...
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.