Pith Number

pith:SNGMQARJ

pith:2010:SNGMQARJ5VIK4JN2LBMXDLPRHL

not attested not anchored not stored refs pending

Equivariant geometry and the cohomology of the moduli space of curves

Dan Edidin

arxiv:1006.2364 v2 · 2010-06-11 · 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{SNGMQARJ5VIK4JN2LBMXDLPRHL}

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	2026-05-18T04:16:12.196955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

934cc80229ed50ae25ba585971adf13ae7004e70cb0804f8570050bcd48c17db

Aliases

arxiv: 1006.2364 · arxiv_version: 1006.2364v2 · doi: 10.48550/arxiv.1006.2364 · pith_short_12: SNGMQARJ5VIK · pith_short_16: SNGMQARJ5VIK4JN2 · pith_short_8: SNGMQARJ

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/SNGMQARJ5VIK4JN2LBMXDLPRHL \
  | 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: 934cc80229ed50ae25ba585971adf13ae7004e70cb0804f8570050bcd48c17db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d02c2a1414ea799d301a47f513fd1ab0122d65cfb4e41b673efd00e2e8a1ef2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-06-11T18:25:53Z",
    "title_canon_sha256": "8d81c75601b92e55f523938d1410b693ae36c76b53d45fda0160553999f1fe24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.2364",
    "kind": "arxiv",
    "version": 2
  }
}