OpenTechnical

OT-2026-000002415

Publication integrity record

Semantic robotic system

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-2026-000002415) never changes.

Identity and time

Publication numberOT-2026-000002415 · never reused
Internal UUID01a0a67c-77ef-7b9c-898c-0007adbb1522 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:12:50.160137Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002415
StatusPUBLIC

Content hashes

Canonical textb31730e04fa0775f2b0669203f7423c013bc309424427f692b12cffa433a53a2
Markdown985a56a42a9c72e5beb6a0580e60cbb9e34c29c5546d9a2e18411a2e74d51299
PDF
Publication page9990e6d08007cd3e26de10247340d2b9e0bf5ee43d4c44f3083db96ec27d9a3c
Manifest058aedffe555ab714f6b3457093d7d5d4250413a8814d457101a21a9f0016df8

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
SignatureFN3YA6WzLMsD65DlSiJTVYDiWqWrS2cGYkZ7+Ce7QKfYz95uAcPey+S51hKLcZczi4AkhsLQ3DpXQ5DwZ6X8Bg==
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

2026-09-18T16:41:56.989167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002415
observed 9990e6d08007cd3e26de10247340d2b9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T16:41:56.798734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002415/manifest.json
observed 058aedffe555ab714f6b3457093d7d5d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T16:41:56.620479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002415/publication.md
observed 985a56a42a9c72e5beb6a0580e60cbb9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T16:41:56.301391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002415/publication.txt
observed b31730e04fa0775f2b0669203f7423c0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:21.792582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002415
observed 9990e6d08007cd3e26de10247340d2b9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:21.563514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002415/manifest.json
observed 058aedffe555ab714f6b3457093d7d5d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:21.271342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002415/publication.md
observed 985a56a42a9c72e5beb6a0580e60cbb9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:21.015396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002415/publication.txt
observed b31730e04fa0775f2b0669203f7423c0...
fetched by grabo-systems from 34.44.131.203, 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