Pith Number

pith:MH47563B

pith:2010:MH47563BAZRX46GR2Y3IBSFJZB

not attested not anchored not stored refs pending

A Generalized Coupon Collector Problem

Ao Kevin Tang, Weiyu Xu

arxiv:1010.5608 v2 · 2010-10-27 · cs.IT · cs.DM · cs.PF · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MH47563BAZRX46GR2Y3IBSFJZB}

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	2026-05-17T23:41:13.860375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61f9fefb6106637e78d1d63680c8a9c860927f9f4612cff139ef0be48bd6ff21

Aliases

arxiv: 1010.5608 · arxiv_version: 1010.5608v2 · doi: 10.48550/arxiv.1010.5608 · pith_short_12: MH47563BAZRX · pith_short_16: MH47563BAZRX46GR · pith_short_8: MH47563B

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/MH47563BAZRX46GR2Y3IBSFJZB \
  | 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: 61f9fefb6106637e78d1d63680c8a9c860927f9f4612cff139ef0be48bd6ff21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d7c73dbb954cc5d17a892e08903aa48821348392920957f801d557e1820cf16",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.PF",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-10-27T08:56:31Z",
    "title_canon_sha256": "75829c591b61ba28e904a5d812096801f082f41810855a26969801bae74c16a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5608",
    "kind": "arxiv",
    "version": 2
  }
}