Pith Number

pith:BBM6TKJD

pith:2019:BBM6TKJDY5QFFHSVD5AHYVGCMV

not attested not anchored not stored refs pending

Further remarks on rigidity of H\'{e}non maps

Ratna Pal

arxiv:1907.05116 v1 · 2019-07-11 · 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{BBM6TKJDY5QFFHSVD5AHYVGCMV}

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	2026-05-17T23:40:53.904158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0859e9a923c760529e551f407c54c26562a7087f3d1bcc2affb3deb0db1f706f

Aliases

arxiv: 1907.05116 · arxiv_version: 1907.05116v1 · doi: 10.48550/arxiv.1907.05116 · pith_short_12: BBM6TKJDY5QF · pith_short_16: BBM6TKJDY5QFFHSV · pith_short_8: BBM6TKJD

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/BBM6TKJDY5QFFHSVD5AHYVGCMV \
  | 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: 0859e9a923c760529e551f407c54c26562a7087f3d1bcc2affb3deb0db1f706f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34328a8190af820d6b9eda4d5e72743c200182b270a2c0db12028c9323815de4",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-07-11T11:26:43Z",
    "title_canon_sha256": "d7f18e036bd6d5faddad1d86425ad535a5cf1a8c1cdcaed28202c15b49b09804"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05116",
    "kind": "arxiv",
    "version": 1
  }
}