Pith Number

pith:BR4OG2AG

pith:2015:BR4OG2AG4TQKMLCONW5OVRBQQ2

not attested not anchored not stored refs pending

Bianchi-IX, Darboux-Halphen and Chazy-Ramanujan

Partha Guha, Raju Roychowdhury, Sumanto Chanda

arxiv:1512.01662 v2 · 2015-12-05 · hep-th · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BR4OG2AG4TQKMLCONW5OVRBQQ2}

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	2026-05-18T01:19:11.302826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c78e36806e4e0a62c4e6dbaeac43086bf64bd9debfe4abb39c6467cd2153ebc

Aliases

arxiv: 1512.01662 · arxiv_version: 1512.01662v2 · doi: 10.48550/arxiv.1512.01662 · pith_short_12: BR4OG2AG4TQK · pith_short_16: BR4OG2AG4TQKMLCO · pith_short_8: BR4OG2AG

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/BR4OG2AG4TQKMLCONW5OVRBQQ2 \
  | 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: 0c78e36806e4e0a62c4e6dbaeac43086bf64bd9debfe4abb39c6467cd2153ebc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06e3b1d48990ff6ea3b10fad2bd95ed42c60958745bf33d90dfb9f842f8a4235",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-12-05T12:58:54Z",
    "title_canon_sha256": "0a5704713df0d6702313a00351ce2d27e42d5358938bf1c39ca42af35a9e374b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01662",
    "kind": "arxiv",
    "version": 2
  }
}