Pith Number

pith:CMLJXPFL

pith:2014:CMLJXPFLI2NQKP646QT4SMK5MK

not attested not anchored not stored refs pending

A Light Discussion and Derivation of Entropy

Jonathon Shlens

arxiv:1404.1998 v1 · 2014-04-08 · 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{CMLJXPFLI2NQKP646QT4SMK5MK}

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	2026-05-18T02:54:38.809110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13169bbcab469b053fdcf427c9315d62bf4379ff21b60ef624d7b7cf4100f3ae

Aliases

arxiv: 1404.1998 · arxiv_version: 1404.1998v1 · doi: 10.48550/arxiv.1404.1998 · pith_short_12: CMLJXPFLI2NQ · pith_short_16: CMLJXPFLI2NQKP64 · pith_short_8: CMLJXPFL

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/CMLJXPFLI2NQKP646QT4SMK5MK \
  | 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: 13169bbcab469b053fdcf427c9315d62bf4379ff21b60ef624d7b7cf4100f3ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffa2c7d6dd371e852da9911aaf498edc47b772ea0a6121db282b49e87cfecfd1",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-04-08T03:37:31Z",
    "title_canon_sha256": "ef0d91c9aef3dad2cbcea20043e93e621b0a7aaf0819dbca49a71ecfbfc9b850"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1998",
    "kind": "arxiv",
    "version": 1
  }
}