Pith Number

pith:LZEHHZBU

pith:2013:LZEHHZBUB6C2CQW43AMPVRMDYX

not attested not anchored not stored refs pending

The homology groups of certain moduli spaces of plane sheaves

Mario Maican

arxiv:1303.0587 v3 · 2013-03-04 · 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{LZEHHZBUB6C2CQW43AMPVRMDYX}

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	2026-05-18T01:23:10.689939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e4873e4340f85a142dcd818fac583c5e448614c6770a4589e07ff4d9fe6be57

Aliases

arxiv: 1303.0587 · arxiv_version: 1303.0587v3 · doi: 10.48550/arxiv.1303.0587 · pith_short_12: LZEHHZBUB6C2 · pith_short_16: LZEHHZBUB6C2CQW4 · pith_short_8: LZEHHZBU

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/LZEHHZBUB6C2CQW43AMPVRMDYX \
  | 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: 5e4873e4340f85a142dcd818fac583c5e448614c6770a4589e07ff4d9fe6be57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6163e47e785aa1c3ad3bf5cd0d601cfa255ff643c5fb6c4828e1e7367c005e3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-03-04T00:49:05Z",
    "title_canon_sha256": "23a9fbcefc94bd1522d2618a20c4ad54292184188de8557b33d8cbd0c21973ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0587",
    "kind": "arxiv",
    "version": 3
  }
}