Pith Number

pith:DK5UC5PJ

pith:2018:DK5UC5PJVW2CVF2WRKH42446SV

not attested not anchored not stored refs pending

Monty Hall problem revisited once more

Eduardo Massad, Francisco A. B. Coutinho, Luiz N. Oliveira

arxiv:1808.05150 v1 · 2018-08-14 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DK5UC5PJVW2CVF2WRKH42446SV}

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	2026-05-18T00:08:01.485633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1abb4175e9adb42a97568a8fcd739e957527390eb8f18aa4dda5fcdb1b60303d

Aliases

arxiv: 1808.05150 · arxiv_version: 1808.05150v1 · doi: 10.48550/arxiv.1808.05150 · pith_short_12: DK5UC5PJVW2C · pith_short_16: DK5UC5PJVW2CVF2W · pith_short_8: DK5UC5PJ

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/DK5UC5PJVW2CVF2WRKH42446SV \
  | 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: 1abb4175e9adb42a97568a8fcd739e957527390eb8f18aa4dda5fcdb1b60303d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "074c07d04f473665484638e5dcf5e6b72a6dea49d744cd87119783a5fdf445a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2018-08-14T17:49:04Z",
    "title_canon_sha256": "2fa7f7bec3ac4c1e79b017db3bf639aa2eaedfa8663ddbb81db93015f3e6eb44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05150",
    "kind": "arxiv",
    "version": 1
  }
}