Pith Number

pith:JBFMVHXB

pith:2013:JBFMVHXBJB2U3PSDJR5YSMMVXK

not attested not anchored not stored refs pending

A Bound for the Locating Chromatic Numbers of Trees

Ali Behtoei, Mahdi Anbarloei

arxiv:1308.5437 v1 · 2013-08-25 · 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{JBFMVHXBJB2U3PSDJR5YSMMVXK}

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	2026-05-18T03:15:04.670049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

484aca9ee148754dbe434c7b893195bab9c4ea2267e61aa53821085143c21c46

Aliases

arxiv: 1308.5437 · arxiv_version: 1308.5437v1 · doi: 10.48550/arxiv.1308.5437 · pith_short_12: JBFMVHXBJB2U · pith_short_16: JBFMVHXBJB2U3PSD · pith_short_8: JBFMVHXB

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/JBFMVHXBJB2U3PSDJR5YSMMVXK \
  | 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: 484aca9ee148754dbe434c7b893195bab9c4ea2267e61aa53821085143c21c46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff27cf87ec3366dfb2aedf221eda2ea1d8e5b977087673fe5dceb15b69a64372",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-08-25T19:22:18Z",
    "title_canon_sha256": "10710351045b705f2379efe17b8749edf3d42e4ed37a9c441ad24f349626277a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5437",
    "kind": "arxiv",
    "version": 1
  }
}