Pith Number

pith:C5AT7TDN

pith:2010:C5AT7TDNAPOF4LMETPQM3AKWBS

not attested not anchored not stored refs pending

A Note on EVgrafov-Fedoryuk's theory and quadratic differentials

Boris Shapiro

arxiv:1010.6298 v1 · 2010-10-29 · 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{C5AT7TDNAPOF4LMETPQM3AKWBS}

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	2026-05-18T04:38:07.160702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17413fcc6d03dc5e2d849be0cd81560ca485e91d034afd19712ac6fc35440434

Aliases

arxiv: 1010.6298 · arxiv_version: 1010.6298v1 · doi: 10.48550/arxiv.1010.6298 · pith_short_12: C5AT7TDNAPOF · pith_short_16: C5AT7TDNAPOF4LME · pith_short_8: C5AT7TDN

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/C5AT7TDNAPOF4LMETPQM3AKWBS \
  | 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: 17413fcc6d03dc5e2d849be0cd81560ca485e91d034afd19712ac6fc35440434

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df4438ba44c6b5b83b56a56bb6a07109dc949c0ba463347811d7f645af0a5d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2010-10-29T19:24:13Z",
    "title_canon_sha256": "1015929981baeae9aedc15c584a8cbdc6783ada73334fbca907fe8878e0410b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.6298",
    "kind": "arxiv",
    "version": 1
  }
}