Pith Number

pith:C7GN5FP3

pith:2017:C7GN5FP33733UZ34TNTLPN7JKG

not attested not anchored not stored refs pending

The Interactive Sum Choice Number of Trees

Gregory J. Puleo

arxiv:1705.03442 v2 · 2017-05-09 · 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{C7GN5FP33733UZ34TNTLPN7JKG}

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	2026-05-18T00:33:49.915157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17ccde95fbdff7ba677c9b66b7b7e951898d70dc8c344f931e8d431ec43cd03c

Aliases

arxiv: 1705.03442 · arxiv_version: 1705.03442v2 · doi: 10.48550/arxiv.1705.03442 · pith_short_12: C7GN5FP33733 · pith_short_16: C7GN5FP33733UZ34 · pith_short_8: C7GN5FP3

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/C7GN5FP33733UZ34TNTLPN7JKG \
  | 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: 17ccde95fbdff7ba677c9b66b7b7e951898d70dc8c344f931e8d431ec43cd03c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc6f7da7a4951deb21076f9bb8a3f47be9306081b666de823cfb6b72182fec19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-05-09T17:35:30Z",
    "title_canon_sha256": "71839ef89a69fa106fe7e5a9047ddb1458fd234cdf5314979fc242b568d39b84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03442",
    "kind": "arxiv",
    "version": 2
  }
}