OpenTechnical

OT-2026-000085829

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000085829) never changes.

Identity and time

Publication numberOT-2026-000085829 · never reused
Internal UUID01a0ae99-e829-7343-a67b-d70ece688ec0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085829
StatusPUBLIC

Content hashes

Canonical text1cab9e5369f007a5b1d14d879ff42ed94cbdb01e2194bb901126ab1a1dc8e23d
Markdowndf69ebbf56ba567b145bcd0451d618da2e744492cb528180cec57d42a236e3eb
PDF
Publication page814a6a2c19865b2b2c8e18a468b0e17db2287e43c677376eb6cdb8dca9644fd0
Manifest9fbe9fc555dd00d310ec60bb569ea3c0bec85a79bd2a3af8954a67b215c342de

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
SignaturevroI9aGqkJ5zQ0NrR4CSTyQqHlkOdygnQHEYeyzL9a21/iVqWXSgoJKuKP0GS+euYpnbyU3Yf6SNlYrBQCl4DA==
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

2026-09-17T09:52:45.095116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085829
observed 814a6a2c19865b2b2c8e18a468b0e17d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.078178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085829/manifest.json
observed 9fbe9fc555dd00d310ec60bb569ea3c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.061127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085829/publication.md
observed df69ebbf56ba567b145bcd0451d618da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.044728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085829/publication.txt
observed 1cab9e5369f007a5b1d14d879ff42ed9...
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.