Pith Number

pith:BZAGCSK2

pith:2019:BZAGCSK2USYBLXOQP2CLHH3VJD

not attested not anchored not stored refs pending

Dynamical torsion for contact Anosov flows

Nguyen Viet Dang, Yann Chaubet

arxiv:1911.09931 v2 · 2019-11-22 · math.DS · math.DG · math.GT · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BZAGCSK2USYBLXOQP2CLHH3VJD}

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	2026-07-05T09:20:35.275254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e4061495aa4b015ddd07e84b39f7548f391cbb3ab69bc87515473fe62eb61ec

Aliases

arxiv: 1911.09931 · arxiv_version: 1911.09931v2 · doi: 10.48550/arxiv.1911.09931 · pith_short_12: BZAGCSK2USYB · pith_short_16: BZAGCSK2USYBLXOQ · pith_short_8: BZAGCSK2

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/BZAGCSK2USYBLXOQP2CLHH3VJD \
  | 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: 0e4061495aa4b015ddd07e84b39f7548f391cbb3ab69bc87515473fe62eb61ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d70567ea3469ca1192db36b3f744dfca7f238b4fd22f175649bfabcb11f4b1a",
    "cross_cats_sorted": [
      "math.DG",
      "math.GT",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-11-22T09:01:20Z",
    "title_canon_sha256": "d93eeb9a86b09f18bb2ab3261505155659f97aee4da6693773372a6f2088df7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.09931",
    "kind": "arxiv",
    "version": 2
  }
}