Pith Number

pith:SAUUKHQE

pith:2007:SAUUKHQEX2DXOKUB3QPL6VFZNN

not attested not anchored not stored refs pending

A Combinatorial Classification of Postcritically Fixed Newton Maps

Johannes R\"uckert

arxiv:math/0701176 v1 · 2007-01-05 · 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{SAUUKHQEX2DXOKUB3QPL6VFZNN}

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	2026-05-18T03:59:27.748638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9029451e04be87772a81dc1ebf54b96b4a1fdb4cf7f8bd476613be609a294fe8

Aliases

arxiv: math/0701176 · arxiv_version: math/0701176v1 · doi: 10.48550/arxiv.math/0701176 · pith_short_12: SAUUKHQEX2DX · pith_short_16: SAUUKHQEX2DXOKUB · pith_short_8: SAUUKHQE

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/SAUUKHQEX2DXOKUB3QPL6VFZNN \
  | 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: 9029451e04be87772a81dc1ebf54b96b4a1fdb4cf7f8bd476613be609a294fe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe42ec1b3924240dd17669ee1a3224de46ce61b28fff712c73901470d87b5cc1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DS",
    "submitted_at": "2007-01-05T19:08:17Z",
    "title_canon_sha256": "2b57903137adc77f2cb482830d426c60d5f5d7d4e9d6e6af83065bb1f26f21cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0701176",
    "kind": "arxiv",
    "version": 1
  }
}