Pith Number

pith:W46DELAF

pith:2016:W46DELAFF4ZCII2XSK42NNGQJB

not attested not anchored not stored refs pending

Homoclinic points of 2-D and 4-D maps via the Parametrization Method

Arnd B\"acker, Stavros Anastassiou, Tassos Bountis

arxiv:1605.05521 v2 · 2016-05-18 · math.DS · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W46DELAFF4ZCII2XSK42NNGQJB}

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	2026-05-18T00:33:23.678061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b73c322c052f3224235792b9a6b4d04852fa102969bb926cafeb45f5ede12609

Aliases

arxiv: 1605.05521 · arxiv_version: 1605.05521v2 · doi: 10.48550/arxiv.1605.05521 · pith_short_12: W46DELAFF4ZC · pith_short_16: W46DELAFF4ZCII2X · pith_short_8: W46DELAF

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/W46DELAFF4ZCII2XSK42NNGQJB \
  | 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: b73c322c052f3224235792b9a6b4d04852fa102969bb926cafeb45f5ede12609

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e87bb821e3215d624e049eb6bbbb5ab1321df7fd41cf54f9d6a834f5b2013250",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-05-18T11:17:01Z",
    "title_canon_sha256": "6b718441a2ea3cda19c81ad0465b800c0fd765a1343c84839e8ca7056c34625c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.05521",
    "kind": "arxiv",
    "version": 2
  }
}