Pith Number

pith:FQZVAQRI

pith:2015:FQZVAQRIMPURS4ED7C72BUOBM4

not attested not anchored not stored refs pending

On the complex dynamics of birational surface maps defined over number fields

Mattias Jonsson, Paul Reschke

arxiv:1505.03559 v2 · 2015-05-13 · math.DS · math.CV · 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{FQZVAQRIMPURS4ED7C72BUOBM4}

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	2026-05-18T01:25:00.471275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c3350422863e9197083f8bfa0d1c1670c13f7f36c45eed55a778eef7acf51c3

Aliases

arxiv: 1505.03559 · arxiv_version: 1505.03559v2 · doi: 10.48550/arxiv.1505.03559 · pith_short_12: FQZVAQRIMPUR · pith_short_16: FQZVAQRIMPURS4ED · pith_short_8: FQZVAQRI

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/FQZVAQRIMPURS4ED7C72BUOBM4 \
  | 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: 2c3350422863e9197083f8bfa0d1c1670c13f7f36c45eed55a778eef7acf51c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0203196b6560cd8b3355af7660b8e0df1a73ee35dc69aad8a2155759d2418551",
    "cross_cats_sorted": [
      "math.CV",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-05-13T21:45:32Z",
    "title_canon_sha256": "28d5c5c60ac4c41e8c10e0d2b77ef65c37d1ca5dd2f3e8c61886c82e698143fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03559",
    "kind": "arxiv",
    "version": 2
  }
}