Pith Number

pith:WJA4SBR4

pith:2014:WJA4SBR4U2VKOYGZA3FBMQ6AOY

not attested not anchored not stored refs pending

A Parallel Two-Pass MDL Context Tree Algorithm for Universal Source Coding

Dror Baron, Mehmet K{\i}van\c{c} M{\i}h\c{c}ak, Nikhil Krishnan

arxiv:1405.6322 v1 · 2014-05-24 · 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{WJA4SBR4U2VKOYGZA3FBMQ6AOY}

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	2026-05-18T01:18:19.180625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b241c9063ca6aaa760d906ca1643c07619c2fcb0f53c0ffde3491011711001e9

Aliases

arxiv: 1405.6322 · arxiv_version: 1405.6322v1 · doi: 10.48550/arxiv.1405.6322 · pith_short_12: WJA4SBR4U2VK · pith_short_16: WJA4SBR4U2VKOYGZ · pith_short_8: WJA4SBR4

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/WJA4SBR4U2VKOYGZA3FBMQ6AOY \
  | 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: b241c9063ca6aaa760d906ca1643c07619c2fcb0f53c0ffde3491011711001e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d30c24e81d585241ae229719a2810b484648ce8f80d08f6340f4becca136624",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-05-24T17:02:02Z",
    "title_canon_sha256": "c89b208ea2de0d4cf92fc45b935a5836d64a4ea25be46657dec89f0f41cf86a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6322",
    "kind": "arxiv",
    "version": 1
  }
}