Pith Number

pith:GQKNDCKC

pith:2018:GQKNDCKC4AWTBQUHAYHQ3XMAJR

not attested not anchored not stored refs pending

On an Algorithm for Comparing the Chromatic Symmetric Functions of Trees

Caleb Ji, Sam Heil

arxiv:1801.07363 v2 · 2018-01-23 · 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{GQKNDCKC4AWTBQUHAYHQ3XMAJR}

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	2026-05-18T00:24:33.204524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3414d18942e02d30c287060f0ddd804c5b8e612bd55d7691ffb167769223b85d

Aliases

arxiv: 1801.07363 · arxiv_version: 1801.07363v2 · doi: 10.48550/arxiv.1801.07363 · pith_short_12: GQKNDCKC4AWT · pith_short_16: GQKNDCKC4AWTBQUH · pith_short_8: GQKNDCKC

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/GQKNDCKC4AWTBQUHAYHQ3XMAJR \
  | 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: 3414d18942e02d30c287060f0ddd804c5b8e612bd55d7691ffb167769223b85d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f60bf1813fec520dbfeec6784479234d9763137a432a1b8fa58db29b49ea9ef8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-01-23T00:58:21Z",
    "title_canon_sha256": "d98b8f23346786dd1822eddab155bd5889d076ead3ae5caa7845596019c25c67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07363",
    "kind": "arxiv",
    "version": 2
  }
}