Pith Number

pith:WGRJOI2C

pith:2015:WGRJOI2CSYW5EKBQXJCQX7LE2K

not attested not anchored not stored refs pending

Sectional Anosov flows: Existence of Venice masks with two singularities

A. M. L\'opez, H. M. S\'anchez

arxiv:1505.05758 v1 · 2015-05-21 · 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{WGRJOI2CSYW5EKBQXJCQX7LE2K}

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	2026-05-18T00:46:53.966604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1a2972342962dd22830ba450bfd64d2817cda8164accea086b8a9b7bc297626

Aliases

arxiv: 1505.05758 · arxiv_version: 1505.05758v1 · doi: 10.48550/arxiv.1505.05758 · pith_short_12: WGRJOI2CSYW5 · pith_short_16: WGRJOI2CSYW5EKBQ · pith_short_8: WGRJOI2C

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/WGRJOI2CSYW5EKBQXJCQX7LE2K \
  | 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: b1a2972342962dd22830ba450bfd64d2817cda8164accea086b8a9b7bc297626

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "288eeb1934ac3d2fb62b699cd23d3baf623d02b44caf5975fb1728a0b28b140a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-05-21T14:55:20Z",
    "title_canon_sha256": "86f05fca2a975d76a1f657280659dadd5d89d65a1038b897b9986172c709f104"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05758",
    "kind": "arxiv",
    "version": 1
  }
}