Pith Number

pith:QKFBHU3Q

pith:2018:QKFBHU3QJIMBMLXM7NYL6HH7CM

not attested not anchored not stored refs pending

Unbalanced urn model with random addition

Nabil Lasmar, Olfa Selmi, Rafik Aguech

arxiv:1802.04489 v1 · 2018-02-13 · 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{QKFBHU3QJIMBMLXM7NYL6HH7CM}

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	2026-05-18T00:23:44.075138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

828a13d3704a18162eecfb70bf1cff1320970fbd6ab34ffd1a7499cb7107a84f

Aliases

arxiv: 1802.04489 · arxiv_version: 1802.04489v1 · doi: 10.48550/arxiv.1802.04489 · pith_short_12: QKFBHU3QJIMB · pith_short_16: QKFBHU3QJIMBMLXM · pith_short_8: QKFBHU3Q

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/QKFBHU3QJIMBMLXM7NYL6HH7CM \
  | 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: 828a13d3704a18162eecfb70bf1cff1320970fbd6ab34ffd1a7499cb7107a84f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "665c0b70e253017a6b550fabae6615bc87c9b9bccd9c5e32e2af85cea15c07a2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2018-02-13T07:23:31Z",
    "title_canon_sha256": "1b4d3b271ab31da33394389967e715a8916a876ad1140cf44b3f8b93659a1277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04489",
    "kind": "arxiv",
    "version": 1
  }
}