OpenTechnical

OT-2026-000011807

Publication integrity record

Three finger pneumatic gripper, stripped 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-2026-000011807) never changes.

Identity and time

Publication numberOT-2026-000011807 · never reused
Internal UUID01a0ae6d-1941-7341-9d73-c49775148ceb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011807
StatusPUBLIC

Content hashes

Canonical text97eaf8f2c078c6e26aef15c61acc236752d81b79fe9825b52f24ccc80fadba03
Markdown0531748f9cb556023ebba6a4f7ac70904b30c13cbd2e3601a8f067502def4f47
PDF
Publication page6fe236ea6659c2952a3555e65a2d0343ff1b108207c9e59ec3b77bac5c8b5b58
Manifest3962b66298f71898ab2c18a4e15e9dd24721ac7a52620230c4f064d2f3f12185

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
SignatureCFGM3ASAGPO5dj7izURlURMGXuvsVNzw674x9kk/0BFRiDPmrzletMTfGyF5Bizaf3M+ujxOywOYMb3Rs6VzBw==
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

2026-09-17T12:12:32.072935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011807
observed 6fe236ea6659c2952a3555e65a2d0343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:32.054785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011807/manifest.json
observed 3962b66298f71898ab2c18a4e15e9dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:32.035775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011807/publication.md
observed 0531748f9cb556023ebba6a4f7ac7090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:32.014914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011807/publication.txt
observed 97eaf8f2c078c6e26aef15c61acc2367...
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.