Pith Number

pith:3Q7XP7BY

pith:2019:3Q7XP7BYVLZ4GKYBJR4WSZTWTL

not attested not anchored not stored refs pending

Reduction of Markov Chains using a Value-of-Information-Based Approach

Isaac J. Sledge, Jose C. Principe

arxiv:1903.09266 v1 · 2019-03-21 · 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{3Q7XP7BYVLZ4GKYBJR4WSZTWTL}

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	2026-05-17T23:47:25.101296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc3f77fc38aaf3c32b014c796966769aeff635fe57161bfbd5be43cb951d5508

Aliases

arxiv: 1903.09266 · arxiv_version: 1903.09266v1 · doi: 10.48550/arxiv.1903.09266 · pith_short_12: 3Q7XP7BYVLZ4 · pith_short_16: 3Q7XP7BYVLZ4GKYB · pith_short_8: 3Q7XP7BY

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/3Q7XP7BYVLZ4GKYBJR4WSZTWTL \
  | 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: dc3f77fc38aaf3c32b014c796966769aeff635fe57161bfbd5be43cb951d5508

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "656ab75ffdc8d128932d1285f2744e363fa08339daaccccfe5d74e6c5738216a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-03-21T23:00:48Z",
    "title_canon_sha256": "871b7783da966b4eb242b2dd272f983cef39b813313c40a81f7cf37871aef03f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09266",
    "kind": "arxiv",
    "version": 1
  }
}