Pith Number

pith:GZ4P6FLP

pith:2009:GZ4P6FLPIUUH2JYIIWV5AKCNOG

not attested not anchored not stored refs pending

On the SIG dimension of trees under $L_{\infty}$ metric

L. Sunil Chandran, Rajesh Chitnis, Ramanjit Kumar

arxiv:0910.5380 v2 · 2009-10-28 · math.CO · cs.DM · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GZ4P6FLPIUUH2JYIIWV5AKCNOG}

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	2026-05-18T04:11:29.069789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3678ff156f45287d270845abd0284d71b3d20a2a3989e0f8b14895baf368867d

Aliases

arxiv: 0910.5380 · arxiv_version: 0910.5380v2 · doi: 10.48550/arxiv.0910.5380 · pith_short_12: GZ4P6FLPIUUH · pith_short_16: GZ4P6FLPIUUH2JYI · pith_short_8: GZ4P6FLP

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/GZ4P6FLPIUUH2JYIIWV5AKCNOG \
  | 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: 3678ff156f45287d270845abd0284d71b3d20a2a3989e0f8b14895baf368867d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d30a5f7ca58c766b0f601f1dedd314f63322b4473ef6eab2d37451d2b9550e7",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-10-28T13:55:42Z",
    "title_canon_sha256": "4be076faa58f6360eec735ab159612daca9b3331afeb1de0d5f55b474efa2cfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5380",
    "kind": "arxiv",
    "version": 2
  }
}