Pith Number

pith:6W63APWJ

pith:2013:6W63APWJLSAOOROJL5FBZGZZA6

not attested not anchored not stored refs pending

An obstacle problem for Tug-of-War games

Juan J. Manfredi, Julio D. Rossi, Stephanie J. Somersille

arxiv:1307.3838 v1 · 2013-07-15 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6W63APWJLSAOOROJL5FBZGZZA6}

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	2026-05-18T03:18:27.725388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5bdb03ec95c80e745c95f4a1c9b390797c8f2246924826d8f8e6c3bc35330be

Aliases

arxiv: 1307.3838 · arxiv_version: 1307.3838v1 · doi: 10.48550/arxiv.1307.3838 · pith_short_12: 6W63APWJLSAO · pith_short_16: 6W63APWJLSAOOROJ · pith_short_8: 6W63APWJ

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/6W63APWJLSAOOROJL5FBZGZZA6 \
  | 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: f5bdb03ec95c80e745c95f4a1c9b390797c8f2246924826d8f8e6c3bc35330be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84d08b229085b1144080d12624a47f75e448bd8729e5197d4875b1cba160e1e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-07-15T07:40:54Z",
    "title_canon_sha256": "2597e23737c3f0b39bd058f771c527061cbcf530eb00b9eda10bb295774795d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.3838",
    "kind": "arxiv",
    "version": 1
  }
}