Pith Number

pith:I5HDGO73

pith:2022:I5HDGO73BTJPAHA6USBOJC2MX2

not attested not anchored not stored refs pending

An improved estimator of Shannon entropy with applications to systems with memory

David Sanchez, Juan De Gregorio, Raul Toral

arxiv:2205.11931 v2 · 2022-05-24 · cond-mat.stat-mech · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I5HDGO73BTJPAHA6USBOJC2MX2}

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	2026-07-05T05:17:11.127130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

474e333bfb0cd2f01c1ea482e48b4cbe95f6912d04fcae6ca58879cc1eb644f4

Aliases

arxiv: 2205.11931 · arxiv_version: 2205.11931v2 · doi: 10.48550/arxiv.2205.11931 · pith_short_12: I5HDGO73BTJP · pith_short_16: I5HDGO73BTJPAHA6 · pith_short_8: I5HDGO73

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/I5HDGO73BTJPAHA6USBOJC2MX2 \
  | 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: 474e333bfb0cd2f01c1ea482e48b4cbe95f6912d04fcae6ca58879cc1eb644f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdcdeb15e9d4eb7886f507a9f9508cb8fe98ec937ed87920dbd0a387a2f9d9a4",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2022-05-24T09:51:38Z",
    "title_canon_sha256": "6c54470ab1b471780f73b9c3cbbb62f06b611494bc971f02f24497fb1a42e937"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.11931",
    "kind": "arxiv",
    "version": 2
  }
}