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Pith Number

pith:2U4EVL4W

pith:2017:2U4EVL4WXIGEZRJYUNDD5QSETB
not attested not anchored not stored refs pending

A new cohomology class on the moduli space of curves

Paul Norbury

arxiv:1712.03662 v4 · 2017-12-11 · math.AG · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2U4EVL4WXIGEZRJYUNDD5QSETB}

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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.

Cited by

3 papers in Pith

Receipt and verification
First computed 2026-07-05T06:54:10.070974Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d5384aaf96ba0c4cc538a3463ec24498436dcd64118ccbf39c96bbe014ec593c

Aliases

arxiv: 1712.03662 · arxiv_version: 1712.03662v4 · doi: 10.48550/arxiv.1712.03662 · pith_short_12: 2U4EVL4WXIGE · pith_short_16: 2U4EVL4WXIGEZRJY · pith_short_8: 2U4EVL4W
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2U4EVL4WXIGEZRJYUNDD5QSETB \
  | 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: d5384aaf96ba0c4cc538a3463ec24498436dcd64118ccbf39c96bbe014ec593c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1b35f53b9127d7af25be6d65875fbf8f9efeb9f5c75cd503cb08c87944cea9ab",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-12-11T07:25:57Z",
    "title_canon_sha256": "4831a43cf1c41548081eed30f182fdb173260171f2f03c1ec524ebb345ed078e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.03662",
    "kind": "arxiv",
    "version": 4
  }
}