OpenTechnical

OT-2026-000059949

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, vented after 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-2026-000059949) never changes.

Identity and time

Publication numberOT-2026-000059949 · never reused
Internal UUID01a0ae89-ec26-7747-9b28-b344f872f4a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059949
StatusPUBLIC

Content hashes

Canonical text875fa7bfe39cd04a984b5387a7d55a3d3dae0ef6055ee2a0541dfb1136735943
Markdownbe298af57fec7308d27b8ddc30b2f6632df0c00aeba8acbf16088d803eaf93e8
PDF
Publication pageba9f0e36b8ffda58e0f9142a0d5496184bc1d1944fefc5eed42efa963f28d70b
Manifest95e645c4364d87de7afdcc2ca73fa02efdd6d494759c09f793c762bcebad9eb6

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
SignatureDed13kYwEdgVd6IcHDY+fw6XTRNH0cCmMba3qYZH1f4G3uvu1MbizUOF8VWmAdWj1LenR1HJP3aUylKG2To6Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:43.709645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059949
observed ba9f0e36b8ffda58e0f9142a0d549618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:43.693002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059949/manifest.json
observed 95e645c4364d87de7afdcc2ca73fa02e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:43.677102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059949/publication.md
observed be298af57fec7308d27b8ddc30b2f663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:43.659289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059949/publication.txt
observed 875fa7bfe39cd04a984b5387a7d55a3d...
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.