Pith Number

pith:4QIOL43C

pith:2014:4QIOL43C4GRTTDPSEP3DNRX7RI

not attested not anchored not stored refs pending

Information Measures: the Curious Case of the Binary Alphabet

Albert No, Jiantao Jiao, Kartik Venkat, Thomas Courtade, Tsachy Weissman

arxiv:1404.6810 v2 · 2014-04-27 · 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{4QIOL43C4GRTTDPSEP3DNRX7RI}

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	2026-05-18T00:58:41.582434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e410e5f362e1a3398df223f636c6ff8a1cb4dbf415cd7a4438fce7cb689261d0

Aliases

arxiv: 1404.6810 · arxiv_version: 1404.6810v2 · doi: 10.48550/arxiv.1404.6810 · pith_short_12: 4QIOL43C4GRT · pith_short_16: 4QIOL43C4GRTTDPS · pith_short_8: 4QIOL43C

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/4QIOL43C4GRTTDPSEP3DNRX7RI \
  | 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: e410e5f362e1a3398df223f636c6ff8a1cb4dbf415cd7a4438fce7cb689261d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0351255ad2e6442bf1d652b31a0953a4e5d73c75a9fb1114d605514d026694cc",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-04-27T19:21:24Z",
    "title_canon_sha256": "9b28bc5c6cf5d1525bd6697ffd0dc65aa5282848cf572db6e7bfea7f46b5de64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6810",
    "kind": "arxiv",
    "version": 2
  }
}