OpenTechnical

OT-2026-000002146

Publication integrity record

Downforce indicator device having a tool receptacle

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-2026-000002146) never changes.

Identity and time

Publication numberOT-2026-000002146 · never reused
Internal UUID01a0a67a-ded5-709a-b972-757731865cb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:11:05.429545Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002146
StatusPUBLIC

Content hashes

Canonical textaba4dcbd36be5127718ccc63524e6a231a6cd43321dc032baed7db4715d8ce2f
Markdown4979a2e4e054a4a887767f477204635161ea44a24fd9b0c933546dc820ca854b
PDF
Publication page9ec13f54985e7aa9d448263d9b851bf2baeb50358adb94f2ea8302ab7a496bfe
Manifestb142f79f067b1226d5401a80d781e7fc9f94d34bab2a7532319f669e268bb811

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
Signature1jF3JA/GmgPfCkWvFQXNfxKBiyjqhGqF7kTyE3Exb0wKjmon0piShZNUkfYtau+CEwM2B68IDxRu1qT2j1ycBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-15T19:50:20.317675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002146
observed 9ec13f54985e7aa9d448263d9b851bf2...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:20.163241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002146/manifest.json
observed b142f79f067b1226d5401a80d781e7fc...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:20.150873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002146/publication.txt
observed aba4dcbd36be5127718ccc63524e6a23...
fetched by instance-3.rotem.ai from 127.0.0.1, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent