Pith Number

pith:YO6GLOS2

pith:2012:YO6GLOS2GWPCBN6WP37IFSZ7GT

not attested not anchored not stored refs pending

A note on the coupon - collector's problem with multiple arrivals and the random sampling

Marco Ferrante, Nadia Frigo

arxiv:1209.2667 v2 · 2012-09-12 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YO6GLOS2GWPCBN6WP37IFSZ7GT}

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	2026-05-18T03:44:02.096664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3bc65ba5a359e20b7d67efe82cb3f34d7dba215a943060f5427e29efe0bc0a8

Aliases

arxiv: 1209.2667 · arxiv_version: 1209.2667v2 · doi: 10.48550/arxiv.1209.2667 · pith_short_12: YO6GLOS2GWPC · pith_short_16: YO6GLOS2GWPCBN6W · pith_short_8: YO6GLOS2

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/YO6GLOS2GWPCBN6WP37IFSZ7GT \
  | 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: c3bc65ba5a359e20b7d67efe82cb3f34d7dba215a943060f5427e29efe0bc0a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff7a956e4e14ad170e345a56c9b8afefbdfa0e658e483da2bda49ed61fb5a33c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2012-09-12T17:01:33Z",
    "title_canon_sha256": "7d2b4d1ba8b5f88e799a5067423953a40f9263203d17ac907a2662e23e3b9f00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2667",
    "kind": "arxiv",
    "version": 2
  }
}