Pith Number

pith:O2XSTAGI

pith:2010:O2XSTAGIFTONQPIW2JPPDDI56Q

not attested not anchored not stored refs pending

A solution to a conjecture on the rainbow connection number

Xiaolin Chen, Xueliang Li

arxiv:1012.2693 v2 · 2010-12-13 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O2XSTAGIFTONQPIW2JPPDDI56Q}

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	2026-05-18T04:33:26.513969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76af2980c82cdcd83d16d25ef18d1df425fe2a3e0c3a14e3acc6a5665e3ce7e8

Aliases

arxiv: 1012.2693 · arxiv_version: 1012.2693v2 · doi: 10.48550/arxiv.1012.2693 · pith_short_12: O2XSTAGIFTON · pith_short_16: O2XSTAGIFTONQPIW · pith_short_8: O2XSTAGI

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/O2XSTAGIFTONQPIW2JPPDDI56Q \
  | 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: 76af2980c82cdcd83d16d25ef18d1df425fe2a3e0c3a14e3acc6a5665e3ce7e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "775f62732e083ff9d35f5a1f030c059eed541dfb17058015dec45dc15c09ecaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-12-13T11:11:22Z",
    "title_canon_sha256": "015e6c1580b1d5eade19630c9280b78d335a2d238b170b710b69190896f6c0e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.2693",
    "kind": "arxiv",
    "version": 2
  }
}