Pith Number

pith:Y7HC37FQ

pith:2019:Y7HC37FQ7QNSV2BWZ7XWKIUD4U

not attested not anchored not stored refs pending

Approximations of Shannon Mutual Information for Discrete Variables with Applications to Neural Population Coding

Kechen Zhang, Wentao Huang

arxiv:1903.01500 v1 · 2019-03-04 · cs.IT · math.IT · math.ST · q-bio.NC · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y7HC37FQ7QNSV2BWZ7XWKIUD4U}

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	2026-05-17T23:52:00.440259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7ce2dfcb0fc1b2ae836cfef652283e5076d8304ec7667684dcb6b30ae2b8619

Aliases

arxiv: 1903.01500 · arxiv_version: 1903.01500v1 · doi: 10.48550/arxiv.1903.01500 · pith_short_12: Y7HC37FQ7QNS · pith_short_16: Y7HC37FQ7QNSV2BW · pith_short_8: Y7HC37FQ

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/Y7HC37FQ7QNSV2BWZ7XWKIUD4U \
  | 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: c7ce2dfcb0fc1b2ae836cfef652283e5076d8304ec7667684dcb6b30ae2b8619

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c43e83433b65e3dd1f2e2d83f3aa2385b512f3e5ee097bb26e4096a4472c8a9",
    "cross_cats_sorted": [
      "math.IT",
      "math.ST",
      "q-bio.NC",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-03-04T19:33:03Z",
    "title_canon_sha256": "b21b2014103cef242c996437c61398746ce1a9f452d074b32e5ca11e5838c09e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01500",
    "kind": "arxiv",
    "version": 1
  }
}