Pith Number

pith:W3SK3JAH

pith:2013:W3SK3JAHVVLYBO5D6654PKJEFK

not attested not anchored not stored refs pending

An Efficient Branching Algorithm for Interval Completion

Yixin Cao

arxiv:1306.3181 v1 · 2013-06-13 · 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{W3SK3JAHVVLYBO5D6654PKJEFK}

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	2026-05-18T03:20:59.405603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6e4ada407ad5780bba3f7bbc7a9242aa7c397bd562ff8476692782a151a3c4b

Aliases

arxiv: 1306.3181 · arxiv_version: 1306.3181v1 · doi: 10.48550/arxiv.1306.3181 · pith_short_12: W3SK3JAHVVLY · pith_short_16: W3SK3JAHVVLYBO5D · pith_short_8: W3SK3JAH

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/W3SK3JAHVVLYBO5D6654PKJEFK \
  | 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: b6e4ada407ad5780bba3f7bbc7a9242aa7c397bd562ff8476692782a151a3c4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1919b1c74f9834299488df929a684a40b25b43730f7550365075fa64820e8590",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-06-13T18:22:43Z",
    "title_canon_sha256": "01effa2a86a0fad95df4f9b16b57fb21b9dd0800f5e9c9dd32059a8ebb427a53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3181",
    "kind": "arxiv",
    "version": 1
  }
}