Pith Number

pith:H44DIXJC

pith:2018:H44DIXJC7NJ4JNWQL6CNGLGRIW

not attested not anchored not stored refs pending

Learning to Branch

Ellen Vitercik, Maria-Florina Balcan, Travis Dick, Tuomas Sandholm

arxiv:1803.10150 v2 · 2018-03-27 · cs.AI · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H44DIXJC7NJ4JNWQL6CNGLGRIW}

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	2026-05-18T00:15:46.434136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f38345d22fb53c4b6d05f84d32cd145a1241f7d75869e733e10f7ef05619a9f

Aliases

arxiv: 1803.10150 · arxiv_version: 1803.10150v2 · doi: 10.48550/arxiv.1803.10150 · pith_short_12: H44DIXJC7NJ4 · pith_short_16: H44DIXJC7NJ4JNWQ · pith_short_8: H44DIXJC

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/H44DIXJC7NJ4JNWQL6CNGLGRIW \
  | 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: 3f38345d22fb53c4b6d05f84d32cd145a1241f7d75869e733e10f7ef05619a9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f923a91eb58b9e4fff386f1ed3c5a80581d7f37b594d7df089a104de2dadbad",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-03-27T15:47:24Z",
    "title_canon_sha256": "2ab0b8c12acdc41b2c1eaf134373c97759b51dfb52d963ec25284075f8797ce0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10150",
    "kind": "arxiv",
    "version": 2
  }
}