Pith Number

pith:W47GAZV3

pith:2012:W47GAZV35GUVISQV5KUPYS52R7

not attested not anchored not stored refs pending

Dynamics of a quasi-quadratic map

Ant\'onio Machiavelo, Assis Azevedo, Maria Carvalho

arxiv:1210.0042 v1 · 2012-09-28 · 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{W47GAZV35GUVISQV5KUPYS52R7}

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	2026-05-18T03:44:23.479880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b73e6066bbe9a9544a15eaa8fc4bba8fcacb2afa829fa592e05d8f5c167f4cbd

Aliases

arxiv: 1210.0042 · arxiv_version: 1210.0042v1 · doi: 10.48550/arxiv.1210.0042 · pith_short_12: W47GAZV35GUV · pith_short_16: W47GAZV35GUVISQV · pith_short_8: W47GAZV3

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/W47GAZV35GUVISQV5KUPYS52R7 \
  | 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: b73e6066bbe9a9544a15eaa8fc4bba8fcacb2afa829fa592e05d8f5c167f4cbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8b6788f32a87cd4a3acacf8393f907d96b736b25a06d233da8810d0042d6460",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2012-09-28T21:28:12Z",
    "title_canon_sha256": "1005dc5ff2a6c83dc6a50b0070ff9c04f31b47c9c8aeddf2f7e93bf48211d9fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0042",
    "kind": "arxiv",
    "version": 1
  }
}