Pith Number

pith:R5WPDZMB

pith:2012:R5WPDZMBG5XJOBZ65ED2CTMZFG

not attested not anchored not stored refs pending

Musical chairs

Benny Sudakov, Eli Gafni, Nati Linial, Uriel Feige, Yakov Babichenko, Yehuda Afek

arxiv:1208.0813 v1 · 2012-08-03 · math.CO · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R5WPDZMBG5XJOBZ65ED2CTMZFG}

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	2026-05-18T03:49:22.734607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f6cf1e581376e97073ee907a14d992986dfce7773e4a404242e9cc7039c0556

Aliases

arxiv: 1208.0813 · arxiv_version: 1208.0813v1 · doi: 10.48550/arxiv.1208.0813 · pith_short_12: R5WPDZMBG5XJ · pith_short_16: R5WPDZMBG5XJOBZ6 · pith_short_8: R5WPDZMB

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/R5WPDZMBG5XJOBZ65ED2CTMZFG \
  | 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: 8f6cf1e581376e97073ee907a14d992986dfce7773e4a404242e9cc7039c0556

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a402aafec01f2cd8e3e2f2f95e0d56768b98765b76c8aa54835ca30ddca7f6f4",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-08-03T18:39:51Z",
    "title_canon_sha256": "8492ab9550f68e02e8b342e4f6af68826030df2cba511c90c69a5a6d72dfe2a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0813",
    "kind": "arxiv",
    "version": 1
  }
}