OpenTechnical

OT-2026-000099816

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000099816) never changes.

Identity and time

Publication numberOT-2026-000099816 · never reused
Internal UUID01a0aea2-c978-703a-bb84-2d825d708baf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099816
StatusPUBLIC

Content hashes

Canonical text49beb4b43f619f1d53f814f10defc3f902f186ac440ddba8f24b091276b86245
Markdown693181843decdd1189cf5d50cc7fb41e5f64620c4b9148b36f4c7b36dc673bbb
PDF
Publication pagec4facea4107a59afb6337f7fedde52cdea1329e8825c268b9122c4476cd9dc07
Manifeste85e30959ae608e9793f310031b93e346ae000c0deb5a27e45f7621f3d21236f

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
SignatureFYVLBXwP5ZSKsckxqnc7Dd6NY1Z8GjlEgExEUkCKxIbZR6aBK9TL8ODDCtmx11IJ7mGS2pVPGnEMNViBVi2pCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:47.433910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099816
observed c4facea4107a59afb6337f7fedde52cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.417508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099816/manifest.json
observed e85e30959ae608e9793f310031b93e34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.394572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099816/publication.md
observed 693181843decdd1189cf5d50cc7fb41e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:47.371177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099816/publication.txt
observed 49beb4b43f619f1d53f814f10defc3f9...
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.