Pith Number

pith:ZUSNHMPK

pith:2012:ZUSNHMPKNCFJMF5UMUOG5GPAIT

not attested not anchored not stored refs pending

On plane sextics with double singular points

Alex Degtyarev

arxiv:1207.1250 v2 · 2012-07-05 · 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{ZUSNHMPKNCFJMF5UMUOG5GPAIT}

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	2026-05-18T03:05:09.888792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd24d3b1ea688a9617b4651c6e99e044c7fdf57da601162679fd7147b3f41d19

Aliases

arxiv: 1207.1250 · arxiv_version: 1207.1250v2 · doi: 10.48550/arxiv.1207.1250 · pith_short_12: ZUSNHMPKNCFJ · pith_short_16: ZUSNHMPKNCFJMF5U · pith_short_8: ZUSNHMPK

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/ZUSNHMPKNCFJMF5UMUOG5GPAIT \
  | 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: cd24d3b1ea688a9617b4651c6e99e044c7fdf57da601162679fd7147b3f41d19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "747942f09769f84e9db6e8c2704122b89790face55c88283e1997b2d23ace559",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-07-05T13:25:15Z",
    "title_canon_sha256": "ae0bacf8eebbeee578a80887080fc87906c03ba55d5792d559fdfd0de52bdce6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1250",
    "kind": "arxiv",
    "version": 2
  }
}