Pith Number

pith:2J475E6S

pith:2019:2J475E6SFKFYN3YOKPXIZD3MSO

not attested not anchored not stored refs pending

An information theoretic model for summarization, and some basic results

Eric Graves, Prithwish Basu, Qiang Ning

arxiv:1901.06376 v1 · 2019-01-18 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2J475E6SFKFYN3YOKPXIZD3MSO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:56:01.186305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d279fe93d22a8b86ef0e53ee8c8f6c93acdc1fc1c433a0737f5ce792bdbb310a

Aliases

arxiv: 1901.06376 · arxiv_version: 1901.06376v1 · doi: 10.48550/arxiv.1901.06376 · pith_short_12: 2J475E6SFKFY · pith_short_16: 2J475E6SFKFYN3YO · pith_short_8: 2J475E6S

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/2J475E6SFKFYN3YOKPXIZD3MSO \
  | 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: d279fe93d22a8b86ef0e53ee8c8f6c93acdc1fc1c433a0737f5ce792bdbb310a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a442326829fdc2770dcf0bf7883c7ad7b80502c1d6c5578a4c849f26c2f4355",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-18T18:38:40Z",
    "title_canon_sha256": "a9531e588f820dcb578efe48e27f8909162e90ad49d22b91ed0466ff70bae97b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06376",
    "kind": "arxiv",
    "version": 1
  }
}