Pith Number

pith:GMCVAH3Q

pith:2001:GMCVAH3QFOPB3CL6E7CIKCPSXQ

not attested not anchored not stored refs pending

Orderly Spanning Trees with Applications

Ching-Chi Lin, Hsueh-I Lu, Yi-Ting Chiang

arxiv:cs/0102006 v3 · 2001-02-07 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GMCVAH3QFOPB3CL6E7CIKCPSXQ}

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	2026-05-18T02:27:51.456616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3305501f702b9e1d897e27c48509f2bc287bb34705664d2946455698c106c2fc

Aliases

arxiv: cs/0102006 · arxiv_version: cs/0102006v3 · doi: 10.48550/arxiv.cs/0102006 · pith_short_12: GMCVAH3QFOPB · pith_short_16: GMCVAH3QFOPB3CL6 · pith_short_8: GMCVAH3Q

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/GMCVAH3QFOPB3CL6E7CIKCPSXQ \
  | 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: 3305501f702b9e1d897e27c48509f2bc287bb34705664d2946455698c106c2fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e85cc5df31292dc5bddf1ab110ed7edb9abdbdd54e943563561f631f5d5cf760",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "",
    "primary_cat": "cs.DS",
    "submitted_at": "2001-02-07T15:44:49Z",
    "title_canon_sha256": "a379232f17029ba6e3394379da06c6e6e7a4afbb5988cdd9e8fffc3e0814ab27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0102006",
    "kind": "arxiv",
    "version": 3
  }
}