Pith Number

pith:4JSXOMEP

pith:2020:4JSXOMEPGCWDCZBBYK42HPI2UI

not attested not anchored not stored refs pending

Geometric interpretation of toroidal compactifications of moduli of points in the line and cubic surfaces

Luca Schaffler, Matt Kerr, Patricio Gallardo

arxiv:2006.01314 v1 · 2020-06-01 · 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{4JSXOMEPGCWDCZBBYK42HPI2UI}

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	2026-07-05T01:07:16.226071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e26577308f30ac316421c2b9a3bd1aa21029ec117653798ddbb157a108b43f9a

Aliases

arxiv: 2006.01314 · arxiv_version: 2006.01314v1 · doi: 10.48550/arxiv.2006.01314 · pith_short_12: 4JSXOMEPGCWD · pith_short_16: 4JSXOMEPGCWDCZBB · pith_short_8: 4JSXOMEP

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/4JSXOMEPGCWDCZBBYK42HPI2UI \
  | 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: e26577308f30ac316421c2b9a3bd1aa21029ec117653798ddbb157a108b43f9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab60e9e90e58d4fc8de47a9aacbbf64e20bf234658f88e57c5436a4cfb32c003",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-06-01T23:30:53Z",
    "title_canon_sha256": "56464e72ad4048dba305d8a0843d107f53e1473703f0289ce9357b251bce898d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.01314",
    "kind": "arxiv",
    "version": 1
  }
}