Pith Number

pith:YBU6IWPB

pith:2014:YBU6IWPBJV3JEWV37QASKJ3XKK

not attested not anchored not stored refs pending

Fast Dynamic Graph Algorithms for Parameterized Problems

Keigo Oka, Yoichi Iwata

arxiv:1404.7307 v1 · 2014-04-29 · 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{YBU6IWPBJV3JEWV37QASKJ3XKK}

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	2026-05-18T02:52:56.903937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c069e459e14d76925abbfc0125277752a5e99ec95015e9a85eced94e6fa07925

Aliases

arxiv: 1404.7307 · arxiv_version: 1404.7307v1 · doi: 10.48550/arxiv.1404.7307 · pith_short_12: YBU6IWPBJV3J · pith_short_16: YBU6IWPBJV3JEWV3 · pith_short_8: YBU6IWPB

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/YBU6IWPBJV3JEWV37QASKJ3XKK \
  | 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: c069e459e14d76925abbfc0125277752a5e99ec95015e9a85eced94e6fa07925

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaa03c35509277408ee369dc57996abc7c13301f7f185d6eb61a3094701897df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-04-29T10:49:24Z",
    "title_canon_sha256": "0ecc848bf7ee062dafc67343e15c9406fa8a7063f3d6074b78c3e7cc9d100e62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7307",
    "kind": "arxiv",
    "version": 1
  }
}