Pith Number

pith:HNHQYARW

pith:2013:HNHQYARWSA65ODVTUWXRKTFFE3

not attested not anchored not stored refs pending

Singular Riemannian foliations and applications to positive and nonnegative curvature

Fernando Galaz-Garcia, Marco Radeschi

arxiv:1302.4593 v4 · 2013-02-19 · 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{HNHQYARWSA65ODVTUWXRKTFFE3}

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	2026-05-18T01:53:09.892067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b4f0c0236903dd70eb3a5af154ca526cde50b5ee705c93b6577d9b337299914

Aliases

arxiv: 1302.4593 · arxiv_version: 1302.4593v4 · doi: 10.48550/arxiv.1302.4593 · pith_short_12: HNHQYARWSA65 · pith_short_16: HNHQYARWSA65ODVT · pith_short_8: HNHQYARW

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/HNHQYARWSA65ODVTUWXRKTFFE3 \
  | 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: 3b4f0c0236903dd70eb3a5af154ca526cde50b5ee705c93b6577d9b337299914

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab43a2c66fe56e0b6432849abab1037d47123d34f6fad2d1fc04c62d8f8be6e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-02-19T12:49:49Z",
    "title_canon_sha256": "30cfedf6fe3c212dda56fc1890546fb9f952257d42925a042e4e0d4a72baa3ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4593",
    "kind": "arxiv",
    "version": 4
  }
}