Pith Number

pith:AKYIVBSP

pith:2019:AKYIVBSP7WNS2REBNRXBARJPDL

not attested not anchored not stored refs pending

Zapponi-orientable dessins d'enfants

E. Girondo, G. A. Jones, G. Gonz\'alez-Diez, R. A. Hidalgo

arxiv:1909.07272 v2 · 2019-09-16 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AKYIVBSP7WNS2REBNRXBARJPDL}

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	2026-07-05T00:23:24.118835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02b08a864ffd9b2d44816c6e10452f1ad4c9fe5b93c278e1232b9422e5903758

Aliases

arxiv: 1909.07272 · arxiv_version: 1909.07272v2 · doi: 10.48550/arxiv.1909.07272 · pith_short_12: AKYIVBSP7WNS · pith_short_16: AKYIVBSP7WNS2REB · pith_short_8: AKYIVBSP

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/AKYIVBSP7WNS2REBNRXBARJPDL \
  | 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: 02b08a864ffd9b2d44816c6e10452f1ad4c9fe5b93c278e1232b9422e5903758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffc3fbc6ef0144264ac5c17575700c98ac504f387b33ba91451b00b98b0a4ffa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-09-16T15:21:34Z",
    "title_canon_sha256": "08c555ab36c0397efb2ad6b999f7e2c7bd9f347733411199060d61987e5740d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.07272",
    "kind": "arxiv",
    "version": 2
  }
}