Pith Number

pith:B56ETB3N

pith:2011:B56ETB3NVTGGTEZS5YUUXILV3Q

not attested not anchored not stored refs pending

Creation of Homoclinic Tangencies in Hamiltonians by the Suspension of Poincar\'e Sections

Jo\~ao Lopes Dias, M\'ario Bessa

arxiv:1107.4286 v1 · 2011-07-21 · 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{B56ETB3NVTGGTEZS5YUUXILV3Q}

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	2026-05-18T04:17:12.827153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f7c49876daccc699332ee294ba175dc37881440b2a3c4791477c055adcdb85a

Aliases

arxiv: 1107.4286 · arxiv_version: 1107.4286v1 · doi: 10.48550/arxiv.1107.4286 · pith_short_12: B56ETB3NVTGG · pith_short_16: B56ETB3NVTGGTEZS · pith_short_8: B56ETB3N

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/B56ETB3NVTGGTEZS5YUUXILV3Q \
  | 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: 0f7c49876daccc699332ee294ba175dc37881440b2a3c4791477c055adcdb85a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9064db4f934d57c9b69d6fedbe6ec79d3cfd10ccc11acc35a3f02b677ea06e91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-07-21T14:38:52Z",
    "title_canon_sha256": "513427d815542fe4c50612e4fde902d4ee2197ed4e0b97b303c0ebb4f056c8fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4286",
    "kind": "arxiv",
    "version": 1
  }
}