Pith Number

pith:XBFDODFK

pith:2014:XBFDODFK745MFKCSMZIMUGEHII

not attested not anchored not stored refs pending

Convergent normal form and canonical connection for hypersurfaces of finite type in $\mathbb C^2$

Dmitri Zaitsev, Ilya Kossovskiy

arxiv:1409.7506 v2 · 2014-09-26 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XBFDODFK745MFKCSMZIMUGEHII}

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	2026-05-18T01:55:53.167617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b84a370caaff3ac2a8526650ca1887423da7c09ecf21694f7e000824eb938182

Aliases

arxiv: 1409.7506 · arxiv_version: 1409.7506v2 · doi: 10.48550/arxiv.1409.7506 · pith_short_12: XBFDODFK745M · pith_short_16: XBFDODFK745MFKCS · pith_short_8: XBFDODFK

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/XBFDODFK745MFKCSMZIMUGEHII \
  | 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: b84a370caaff3ac2a8526650ca1887423da7c09ecf21694f7e000824eb938182

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f59686515806426f29db63e8ba4a31b59d1f3a727c016fbe1da6b0c778cae354",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-09-26T09:12:19Z",
    "title_canon_sha256": "fa8084258e69b74b59d7f183727f9c9e0eb38bb9539fd37f99e76004f43144e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7506",
    "kind": "arxiv",
    "version": 2
  }
}