Pith Number

pith:L52GHDJZ

pith:2014:L52GHDJZ4F35GU4EOZKQVJEWJJ

not attested not anchored not stored refs pending

An extended target tracking model with multiple random matrices and unified kinematics

Karl Granstrom

arxiv:1406.2135 v1 · 2014-06-09 · cs.SY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L52GHDJZ4F35GU4EOZKQVJEWJJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:50:11.491913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f74638d39e177d3538476550aa4964a414bc6963ab544aae6921d61e56c5683

Aliases

arxiv: 1406.2135 · arxiv_version: 1406.2135v1 · doi: 10.48550/arxiv.1406.2135 · pith_short_12: L52GHDJZ4F35 · pith_short_16: L52GHDJZ4F35GU4E · pith_short_8: L52GHDJZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/L52GHDJZ4F35GU4EOZKQVJEWJJ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 5f74638d39e177d3538476550aa4964a414bc6963ab544aae6921d61e56c5683

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63d289a8d75f60d7a3478d2c2dc0e98bb181dc2877c56c9bc6d38d1db7e93a23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2014-06-09T10:52:21Z",
    "title_canon_sha256": "b925c0383ed256bdb316c40585351509f483ce6745315e812195b2fc00b6ac3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2135",
    "kind": "arxiv",
    "version": 1
  }
}