Pith Number

pith:PQ672E6X

pith:2011:PQ672E6XHBJRAEYFPCF3Y33ZXJ

not attested not anchored not stored refs pending

Active Property Testing

Avrim Blum, Eric Blais, Liu Yang, Maria-Florina Balcan

arxiv:1111.0897 v2 · 2011-11-03 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQ672E6XHBJRAEYFPCF3Y33ZXJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:57:40.455813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c3dfd13d73853101305788bbc6f79ba4925dfef9280043db5fce87bdfc222d6

Aliases

arxiv: 1111.0897 · arxiv_version: 1111.0897v2 · doi: 10.48550/arxiv.1111.0897 · pith_short_12: PQ672E6XHBJR · pith_short_16: PQ672E6XHBJRAEYF · pith_short_8: PQ672E6X

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/PQ672E6XHBJRAEYFPCF3Y33ZXJ \
  | 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: 7c3dfd13d73853101305788bbc6f79ba4925dfef9280043db5fce87bdfc222d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74b6ec6ca1379b2786f0af095c38cad500ae2d7ccab1d146ffce8103f40bc909",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-11-03T16:06:35Z",
    "title_canon_sha256": "41f8db2d231a69a632fa06bc454599eb259b70245e5aa98d36638617480c88c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0897",
    "kind": "arxiv",
    "version": 2
  }
}