Pith Number

pith:PGR76GJC

pith:2011:PGR76GJCLBSYW7J2MFCMGGF5MJ

not attested not anchored not stored refs pending

Global properties of tight Reeb flows with applications to Finsler geodesic flows on $S^2$

Pedro A. S. Salom\~ao, Umberto Hryniewicz

arxiv:1102.1474 v2 · 2011-02-07 · math.SG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGR76GJCLBSYW7J2MFCMGGF5MJ}

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	2026-05-18T03:04:15.706391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79a3ff192258658b7d3a6144c318bd6252e039a0ef228c45e36d34606ee52a15

Aliases

arxiv: 1102.1474 · arxiv_version: 1102.1474v2 · doi: 10.48550/arxiv.1102.1474 · pith_short_12: PGR76GJCLBSY · pith_short_16: PGR76GJCLBSYW7J2 · pith_short_8: PGR76GJC

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/PGR76GJCLBSYW7J2MFCMGGF5MJ \
  | 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: 79a3ff192258658b7d3a6144c318bd6252e039a0ef228c45e36d34606ee52a15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d86507a009ed8004b00e29f585f4d14e8ea3f3628c9541818ecf71d6ee808bf8",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2011-02-07T23:46:16Z",
    "title_canon_sha256": "2398d478c0a9256fe74190cc2a7381ddb01c118d1c47ab4c3573a83c11f487f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1474",
    "kind": "arxiv",
    "version": 2
  }
}