Pith Number

pith:UAQA7MCM

pith:2007:UAQA7MCMSOUK6RJGXQZ2ADLNGH

not attested not anchored not stored refs pending

Digons and angular derivatives of analytic self-maps of the unit disk

Alexander Vasil'ev, Manuel D. Contreras, Santiago D\'iaz-Madrigal

arxiv:math/0701272 v1 · 2007-01-10 · math.CV · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UAQA7MCMSOUK6RJGXQZ2ADLNGH}

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	2026-05-18T01:09:15.535816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0200fb04c93a8af4526bc33a00d6d31fd625ea37d32c0c8a7f7a60d8ebf6a9c

Aliases

arxiv: math/0701272 · arxiv_version: math/0701272v1 · doi: 10.48550/arxiv.math/0701272 · pith_short_12: UAQA7MCMSOUK · pith_short_16: UAQA7MCMSOUK6RJG · pith_short_8: UAQA7MCM

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/UAQA7MCMSOUK6RJGXQZ2ADLNGH \
  | 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: a0200fb04c93a8af4526bc33a00d6d31fd625ea37d32c0c8a7f7a60d8ebf6a9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "851b71d5d32b29178705daa5ce8bb185268047210fbe461b300f179a88149bf4",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "",
    "primary_cat": "math.CV",
    "submitted_at": "2007-01-10T04:54:09Z",
    "title_canon_sha256": "c225d01a2d6ad90aafa85c9e333d035b8c486ff6ed832745388c422a950ebc2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0701272",
    "kind": "arxiv",
    "version": 1
  }
}