Pith Number

pith:M52HQGM5

pith:2013:M52HQGM5UTJQTC7S5JIXLSKIOV

not attested not anchored not stored refs pending

The Novikov-Veselov Equation: Theory and Computation

Andreas Stahel, Jennifer L Mueller, Michael Music, Peter Perry, Ryan Croke, Samuli Siltanen

arxiv:1312.5427 v1 · 2013-12-19 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M52HQGM5UTJQTC7S5JIXLSKIOV}

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	2026-05-18T03:04:14.800964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

677478199da4d3098bf2ea5175c9487540ccc53cfe0a813be697662e8cdfce6e

Aliases

arxiv: 1312.5427 · arxiv_version: 1312.5427v1 · doi: 10.48550/arxiv.1312.5427 · pith_short_12: M52HQGM5UTJQ · pith_short_16: M52HQGM5UTJQTC7S · pith_short_8: M52HQGM5

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/M52HQGM5UTJQTC7S5JIXLSKIOV \
  | 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: 677478199da4d3098bf2ea5175c9487540ccc53cfe0a813be697662e8cdfce6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1ba2df808e2154af1479aa9ea732502f26247d8a8eeef2102a20e915664ed5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-12-19T07:37:41Z",
    "title_canon_sha256": "37f296591e984eaf350788c90e5b51993174ca88479cfe49ce98485e51536866"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5427",
    "kind": "arxiv",
    "version": 1
  }
}