Pith Number

pith:P6E6CQWI

pith:2011:P6E6CQWIM3W42PXN3MWOHTSKU7

not attested not anchored not stored refs pending

Continuation and collapse of homoclinic tangles

Thorsten Huels, Wolf-Juergen Beyn

arxiv:1112.3145 v1 · 2011-12-14 · math.DS · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P6E6CQWIM3W42PXN3MWOHTSKU7}

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	2026-05-18T04:06:20.021038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f89e142c866edcd3eeddb2ce3ce4aa7c7b758e9c573a7c5503c303af5205e99

Aliases

arxiv: 1112.3145 · arxiv_version: 1112.3145v1 · doi: 10.48550/arxiv.1112.3145 · pith_short_12: P6E6CQWIM3W4 · pith_short_16: P6E6CQWIM3W42PXN · pith_short_8: P6E6CQWI

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/P6E6CQWIM3W42PXN3MWOHTSKU7 \
  | 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: 7f89e142c866edcd3eeddb2ce3ce4aa7c7b758e9c573a7c5503c303af5205e99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2eb7995dc983b7319882b39c0256239c1fba0aade12bd95b39291c68d18a61e",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-12-14T08:49:52Z",
    "title_canon_sha256": "ef81ac477918687449d765e78c62c3ad7d9b728304db44da852cb33adbfeb3b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3145",
    "kind": "arxiv",
    "version": 1
  }
}