Pith Number

pith:HMSZVYUU

pith:2015:HMSZVYUUDJVBNQRYZXTBOHMRPJ

not attested not anchored not stored refs pending

A topological join construction and the Toda system on compact surfaces of arbitrary genus

Aleks Jevnikar, Andrea Malchiodi, Sadok Kallel

arxiv:1503.05524 v2 · 2015-03-18 · 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{HMSZVYUUDJVBNQRYZXTBOHMRPJ}

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	2026-05-18T00:52:09.615556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b259ae2941a6a16c238cde6171d917a612b42e7cec93950ffbe27041773a6fd

Aliases

arxiv: 1503.05524 · arxiv_version: 1503.05524v2 · doi: 10.48550/arxiv.1503.05524 · pith_short_12: HMSZVYUUDJVB · pith_short_16: HMSZVYUUDJVBNQRY · pith_short_8: HMSZVYUU

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/HMSZVYUUDJVBNQRYZXTBOHMRPJ \
  | 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: 3b259ae2941a6a16c238cde6171d917a612b42e7cec93950ffbe27041773a6fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "138a8e4df8fded8d2a5331b4fedc2ea8ba417585f032a4340499128b984b8f11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-03-18T18:25:54Z",
    "title_canon_sha256": "0deaa7d54afd61349a69456c811af6e87a2b9e594ae9669fb8f401e5877699ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05524",
    "kind": "arxiv",
    "version": 2
  }
}