Pith Number

pith:E6PFSAGX

pith:2014:E6PFSAGX2NKEZL6NEU23LSYOFY

not attested not anchored not stored refs pending

On multiple and infinite log-concavity

Armin Straub, Luis A. Medina

arxiv:1405.1765 v1 · 2014-05-07 · math.CO · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6PFSAGX2NKEZL6NEU23LSYOFY}

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	2026-05-18T02:52:22.634637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

279e5900d7d3544cafcd2535b5cb0e2e212e68f50e94e0a017bdb25384d96dee

Aliases

arxiv: 1405.1765 · arxiv_version: 1405.1765v1 · doi: 10.48550/arxiv.1405.1765 · pith_short_12: E6PFSAGX2NKE · pith_short_16: E6PFSAGX2NKEZL6N · pith_short_8: E6PFSAGX

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/E6PFSAGX2NKEZL6NEU23LSYOFY \
  | 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: 279e5900d7d3544cafcd2535b5cb0e2e212e68f50e94e0a017bdb25384d96dee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "392d3c4aaa2f8655f630f5d5f764766763e00687d8ae76aa9562f2473cfeffb1",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-05-07T22:03:52Z",
    "title_canon_sha256": "9a7ef48497e3b79c550d5c1c1a50371c78204b966781750ef3fffb36e4d8a6c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.1765",
    "kind": "arxiv",
    "version": 1
  }
}