OpenTechnical

OT-2026-000092428

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000092428) never changes.

Identity and time

Publication numberOT-2026-000092428 · never reused
Internal UUID01a0ae9d-b5fc-7b55-9722-507fe3955e72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092428
StatusPUBLIC

Content hashes

Canonical text9d7cc05ee8ff1cce5009612a3b2e6775505b3320ec5f4141abf2946bd95d6e78
Markdown8b631700d80bffbc1ffecfbde4e55fc8c949ca48f398e1aef49699f3a5ff2657
PDF
Publication page35817fe2e1b0d69cf9c4869e8df96eb1d1f82bba46da4d59f9c327e1800d49d3
Manifestd8188cc53f91333f7ae9465689110a126b9e0cc5685c9fcb04d661c7b04579ea

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
Signatureb8B2la0n0tntZbdmdUqomxFa6mxmdVoIA6BUpKlSD1kZRdcKGePqucByOhcscQArwiUuUp17Jx5vtegjgApAAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:58.959807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092428
observed 35817fe2e1b0d69cf9c4869e8df96eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:58.941693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092428/manifest.json
observed d8188cc53f91333f7ae9465689110a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:58.922996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092428/publication.md
observed 8b631700d80bffbc1ffecfbde4e55fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:58.906310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092428/publication.txt
observed 9d7cc05ee8ff1cce5009612a3b2e6775...
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.