Pith Number

pith:XVZYMNTM

pith:2017:XVZYMNTMFUXV3SHTTO5IADTA6R

not attested not anchored not stored refs pending

Homoclinic tangencies and singular hyperbolicity for three-dimensional vector fields

Dawei Yang, Sylvain Crovisier

arxiv:1702.05994 v2 · 2017-02-20 · 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{XVZYMNTMFUXV3SHTTO5IADTA6R}

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	2026-05-18T00:05:51.449413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd7386366c2d2f5dc8f39bba800e60f464d2571ccff8d6e5d11d8c253a6de655

Aliases

arxiv: 1702.05994 · arxiv_version: 1702.05994v2 · doi: 10.48550/arxiv.1702.05994 · pith_short_12: XVZYMNTMFUXV · pith_short_16: XVZYMNTMFUXV3SHT · pith_short_8: XVZYMNTM

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/XVZYMNTMFUXV3SHTTO5IADTA6R \
  | 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: bd7386366c2d2f5dc8f39bba800e60f464d2571ccff8d6e5d11d8c253a6de655

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f35096d024d49b1876254df1c0be77ec2bf0a38d25c246faf78be1823c50477",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-02-20T15:00:51Z",
    "title_canon_sha256": "088b9020995124f5683ae68f41d20972aa3c0fed1a85613b751c1b8cf9609a45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05994",
    "kind": "arxiv",
    "version": 2
  }
}