Pith Number

pith:HFD55F46

pith:2008:HFD55F46JNVLDIGOJRUN35QJKN

not attested not anchored not stored refs pending

Plane sextics via dessins d'enfants

Alex Degtyarev

arxiv:0812.3258 v2 · 2008-12-17 · 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{HFD55F46JNVLDIGOJRUN35QJKN}

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	2026-05-18T02:38:18.948883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3947de979e4b6ab1a0ce4c68ddf60953495bb24f22b04f0f987135dd423bfc97

Aliases

arxiv: 0812.3258 · arxiv_version: 0812.3258v2 · doi: 10.48550/arxiv.0812.3258 · pith_short_12: HFD55F46JNVL · pith_short_16: HFD55F46JNVLDIGO · pith_short_8: HFD55F46

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/HFD55F46JNVLDIGOJRUN35QJKN \
  | 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: 3947de979e4b6ab1a0ce4c68ddf60953495bb24f22b04f0f987135dd423bfc97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d1ab917c57fd42ddc0e219d6e5f93d81d9cfb0d5a1d7adff2d005108c7dd228",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-12-17T11:28:45Z",
    "title_canon_sha256": "4e91a2c6c1d5363cd9c8008713f019de859c8e588886246e1ad661ac56668ee6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3258",
    "kind": "arxiv",
    "version": 2
  }
}