Pith Number

pith:FDTGHETY

pith:2019:FDTGHETY5GWN2UHBLY7AVZ5ZAM

not attested not anchored not stored refs pending

Fast algorithm for generating ascending compositions

Mircea Merca

arxiv:1903.10797 v1 · 2019-03-26 · 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{FDTGHETY5GWN2UHBLY7AVZ5ZAM}

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	2026-05-17T23:50:17.710854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28e6639278e9acdd50e15e3e0ae7b90302887a0857a1b06c9bbb2b88c68072aa

Aliases

arxiv: 1903.10797 · arxiv_version: 1903.10797v1 · doi: 10.48550/arxiv.1903.10797 · pith_short_12: FDTGHETY5GWN · pith_short_16: FDTGHETY5GWN2UHB · pith_short_8: FDTGHETY

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/FDTGHETY5GWN2UHBLY7AVZ5ZAM \
  | 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: 28e6639278e9acdd50e15e3e0ae7b90302887a0857a1b06c9bbb2b88c68072aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9b3d180db1bc8919ca3b518e89d8f00bba3ffca26ffb2e956b779836a1d9477",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-03-26T11:07:50Z",
    "title_canon_sha256": "a724ef3d933fa962adfb7da667c615437eb7d270ef36f4d743e0cbf6d6319766"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10797",
    "kind": "arxiv",
    "version": 1
  }
}