Pith Number

pith:46A7NARV

pith:2019:46A7NARVGZWSCJXFMCZYDCLXHI

not attested not anchored not stored refs pending

On the Bias of Directed Information Estimators

Gabriel Schamberg, Todd P. Coleman

arxiv:1902.00580 v2 · 2019-02-01 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{46A7NARVGZWSCJXFMCZYDCLXHI}

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	2026-05-17T23:47:15.668861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e781f68235366d2126e560b38189773a338824f601cfd2588521f3e3be8caf73

Aliases

arxiv: 1902.00580 · arxiv_version: 1902.00580v2 · doi: 10.48550/arxiv.1902.00580 · pith_short_12: 46A7NARVGZWS · pith_short_16: 46A7NARVGZWSCJXF · pith_short_8: 46A7NARV

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/46A7NARVGZWSCJXFMCZYDCLXHI \
  | 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: e781f68235366d2126e560b38189773a338824f601cfd2588521f3e3be8caf73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dda487285957eb8abd7611271c3de4891e7bd2147e83b891243381b3af581dd",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-02-01T22:52:22Z",
    "title_canon_sha256": "0bf364f0419f945f90f054cd32fac9c1a4c2248b6238b92bbd4b7f6bcfdd4971"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00580",
    "kind": "arxiv",
    "version": 2
  }
}