Pith Number

pith:ANDC7U6L

pith:2012:ANDC7U6LERMQPWNYOJO4GZ7P44

not attested not anchored not stored refs pending

Guesswork, large deviations and Shannon entropy

Ken R. Duffy, Mark M. Christiansen

arxiv:1205.4135 v2 · 2012-05-18 · 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{ANDC7U6LERMQPWNYOJO4GZ7P44}

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	2026-05-18T03:34:03.226430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03462fd3cb245907d9b8725dc367efe73303978d165db2969774538ed9609100

Aliases

arxiv: 1205.4135 · arxiv_version: 1205.4135v2 · doi: 10.48550/arxiv.1205.4135 · pith_short_12: ANDC7U6LERMQ · pith_short_16: ANDC7U6LERMQPWNY · pith_short_8: ANDC7U6L

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/ANDC7U6LERMQPWNYOJO4GZ7P44 \
  | 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: 03462fd3cb245907d9b8725dc367efe73303978d165db2969774538ed9609100

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fccc1f44bc05012868a86f40deff0180e6e5bd00cf47e89e6b5d6e518dabfa4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-05-18T11:04:46Z",
    "title_canon_sha256": "6d6090f85a152d11162f02d0126ad9526ab92b32543b0c44870aeb012ae6a8ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4135",
    "kind": "arxiv",
    "version": 2
  }
}