Pith Number

pith:DBZBX3QM

pith:2003:DBZBX3QMYRBGFZZWYQ743D5XLY

not attested not anchored not stored refs pending

Unimodal generalized pseudo-Anosov maps

Andre de Carvalho, Toby Hall

arxiv:math/0307211 v2 · 2003-07-15 · math.DS · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBZBX3QMYRBGFZZWYQ743D5XLY}

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	2026-05-18T02:38:00.295492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18721bee0cc44262e736c43fcd8fb75e1bd1d677367110a5933d2a25b10d24a4

Aliases

arxiv: math/0307211 · arxiv_version: math/0307211v2 · doi: 10.48550/arxiv.math/0307211 · pith_short_12: DBZBX3QMYRBG · pith_short_16: DBZBX3QMYRBGFZZW · pith_short_8: DBZBX3QM

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/DBZBX3QMYRBGFZZWYQ743D5XLY \
  | 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: 18721bee0cc44262e736c43fcd8fb75e1bd1d677367110a5933d2a25b10d24a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c72ece64f90c467d2ec476c65831661b08d8b5c3ec2b9aca7178c2c19c4de2b",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "",
    "primary_cat": "math.DS",
    "submitted_at": "2003-07-15T22:51:43Z",
    "title_canon_sha256": "c217db5fabd5750bf5568fc86a82664578eab1fc3f1dda14353c97835b9eb468"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0307211",
    "kind": "arxiv",
    "version": 2
  }
}