OpenTechnical

OT-2026-000002342

Publication integrity record

Estimating a trajectory of an object in an environment

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-2026-000002342) never changes.

Identity and time

Publication numberOT-2026-000002342 · never reused
Internal UUID01a0a67c-0b54-75f0-8be5-3256a094b187 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:12:22.356979Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002342
StatusPUBLIC

Content hashes

Canonical textf18f866cbc59d528d008bd5c6c19503809132a296ab506da488ebb09f89f5ff9
Markdown57b1a9fcfa63d873a76288cc29cab2f3d39e312dfe18c495fcd58ea7c5b44dd9
PDF
Publication page21d5b815d9fb97dc92e14b01dfc86c6178d3aa9bc814243a9f58e60224e4a89d
Manifestb99b93c322450f22b2b4f60d68f211662aa1347dbff91c75091b877f83327cbc

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
SignatureIuqkJ6Pa1Cmh4Y/edIhkBdnbPPVFBj8s10ThA/FFZ7vspSAKRDWkSOHNIKUb5Qvzxdul5RiEvt0No5xAgc2cCg==
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

2026-09-28T20:41:44.457599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002342
observed 21d5b815d9fb97dc92e14b01dfc86c61...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T20:41:44.389272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002342/manifest.json
observed b99b93c322450f22b2b4f60d68f21166...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T20:41:44.308462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002342/publication.md
observed 57b1a9fcfa63d873a76288cc29cab2f3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T20:41:44.141752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002342/publication.txt
observed f18f866cbc59d528d008bd5c6c195038...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:53.222027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002342
observed 21d5b815d9fb97dc92e14b01dfc86c61...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:53.014173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002342/manifest.json
observed b99b93c322450f22b2b4f60d68f21166...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:52.606721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002342/publication.md
observed 57b1a9fcfa63d873a76288cc29cab2f3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:52.369131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002342/publication.txt
observed f18f866cbc59d528d008bd5c6c195038...
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