Pith Number

pith:O5LIB7UF

pith:2015:O5LIB7UFYZSTB3YS2BIZAFG6KM

not attested not anchored not stored refs pending

Flood-it on AT-Free Graphs

Fu-Hong Liu, Hsiang-Hsuan Liu, Hung-Lung Wang, Ton Kloks, Wing-Kai Hon

arxiv:1511.01806 v1 · 2015-11-05 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O5LIB7UFYZSTB3YS2BIZAFG6KM}

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	2026-05-18T01:27:39.750883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

775680fe85c66530ef12d0519014de5322a7531c96b02f7b1a04fc7b83a8bb4a

Aliases

arxiv: 1511.01806 · arxiv_version: 1511.01806v1 · doi: 10.48550/arxiv.1511.01806 · pith_short_12: O5LIB7UFYZST · pith_short_16: O5LIB7UFYZSTB3YS · pith_short_8: O5LIB7UF

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/O5LIB7UFYZSTB3YS2BIZAFG6KM \
  | 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: 775680fe85c66530ef12d0519014de5322a7531c96b02f7b1a04fc7b83a8bb4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f4a35122798e4171942231bd70f8e7c9eebd124c94a7320b60877e652dd5ee5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-11-05T16:43:03Z",
    "title_canon_sha256": "ff9225e0a539a70530577837b45803b9b76227f9a89455b3327052c24dc6363b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01806",
    "kind": "arxiv",
    "version": 1
  }
}