Pith Number

pith:QWV43KB2

pith:2015:QWV43KB2NBNR4ZT5THYYK6XQT6

not attested not anchored not stored refs pending

On the normal exponential map in singular conformal metrics

F. Giannoni, P. Piccione, R. Giamb\`o

arxiv:1503.05804 v1 · 2015-03-19 · 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{QWV43KB2NBNR4ZT5THYYK6XQT6}

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	2026-05-18T02:20:58.031985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85abcda83a685b1e667d99f1857af09f95f4667e1bf6fef017489b93ac909821

Aliases

arxiv: 1503.05804 · arxiv_version: 1503.05804v1 · doi: 10.48550/arxiv.1503.05804 · pith_short_12: QWV43KB2NBNR · pith_short_16: QWV43KB2NBNR4ZT5 · pith_short_8: QWV43KB2

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/QWV43KB2NBNR4ZT5THYYK6XQT6 \
  | 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: 85abcda83a685b1e667d99f1857af09f95f4667e1bf6fef017489b93ac909821

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed6b26281148d225c64d96a04d98a48e67b1eeffdec46c079dfa1ea8b8447fb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-03-19T15:38:50Z",
    "title_canon_sha256": "59276645f83b5d27a6ada2d8671d67dd3ccd57699387ea977e220b2163d4b6b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05804",
    "kind": "arxiv",
    "version": 1
  }
}