Pith Number

pith:DDTTHYHE

pith:2010:DDTTHYHEUAFN6ICOXL6V7CHBCY

not attested not anchored not stored refs pending

Alternate Compactifications of Moduli Spaces of Curves

David Ishii Smyth, Maksym Fedorchuk

arxiv:1012.0329 v2 · 2010-12-01 · 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{DDTTHYHEUAFN6ICOXL6V7CHBCY}

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	2026-05-18T04:20:22.116105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18e733e0e4a00adf204ebafd5f88e1160d882778bec1ee8c8cd3b75105485cb7

Aliases

arxiv: 1012.0329 · arxiv_version: 1012.0329v2 · doi: 10.48550/arxiv.1012.0329 · pith_short_12: DDTTHYHEUAFN · pith_short_16: DDTTHYHEUAFN6ICO · pith_short_8: DDTTHYHE

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/DDTTHYHEUAFN6ICOXL6V7CHBCY \
  | 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: 18e733e0e4a00adf204ebafd5f88e1160d882778bec1ee8c8cd3b75105485cb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "047dad92a7af2b63150b1a524c89c9e32348f69a5564b5c93e109dcc3982a691",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-12-01T21:28:31Z",
    "title_canon_sha256": "08dbe10d72a53b772cc8b159a8f719102cebc1134c0e9eb7015249381c1ee6b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0329",
    "kind": "arxiv",
    "version": 2
  }
}