Pith Number

pith:KNC5XKMP

pith:2013:KNC5XKMPYTNEPQ7FEMY5VFFJC2

not attested not anchored not stored refs pending

Quantifying unique information

Eckehard Olbrich, Johannes Rauh, J\"urgen Jost, Nihat Ay, Nils Bertschinger

arxiv:1311.2852 v2 · 2013-11-12 · 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{KNC5XKMPYTNEPQ7FEMY5VFFJC2}

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	2026-05-18T02:49:38.881063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5345dba98fc4da47c3e52331da94a916be85819334b34f2ae8a4b3bbfc26500c

Aliases

arxiv: 1311.2852 · arxiv_version: 1311.2852v2 · doi: 10.48550/arxiv.1311.2852 · pith_short_12: KNC5XKMPYTNE · pith_short_16: KNC5XKMPYTNEPQ7F · pith_short_8: KNC5XKMP

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/KNC5XKMPYTNEPQ7FEMY5VFFJC2 \
  | 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: 5345dba98fc4da47c3e52331da94a916be85819334b34f2ae8a4b3bbfc26500c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "193e612fe7fd797f03128c4c3c1bb283723a578a7361f577fec8616ea020a8f1",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-11-12T17:37:58Z",
    "title_canon_sha256": "8a31e97f2bc51cc77aef490828e7984ce6b48a3fb3af969d832f66d412ebefd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2852",
    "kind": "arxiv",
    "version": 2
  }
}