Pith Number

pith:4PO5YTPG

pith:2014:4PO5YTPGWN4VSUASH44HDIG474

not attested not anchored not stored refs pending

Extremal higher codimension cycles on moduli spaces of curves

Dawei Chen, Izzet Coskun

arxiv:1407.3450 v1 · 2014-07-13 · 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{4PO5YTPGWN4VSUASH44HDIG474}

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	2026-05-18T00:44:28.915676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3dddc4de6b3795950123f3871a0dcff1249bf211a770a30af0fd3d79bf95340

Aliases

arxiv: 1407.3450 · arxiv_version: 1407.3450v1 · doi: 10.48550/arxiv.1407.3450 · pith_short_12: 4PO5YTPGWN4V · pith_short_16: 4PO5YTPGWN4VSUAS · pith_short_8: 4PO5YTPG

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/4PO5YTPGWN4VSUASH44HDIG474 \
  | 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: e3dddc4de6b3795950123f3871a0dcff1249bf211a770a30af0fd3d79bf95340

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb1174eea6397607a887338bcf96beb8d49c338d9085840b3cbd9bd14cba2e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-07-13T10:36:15Z",
    "title_canon_sha256": "b9b9f0b88bcc620c3a1c6cd477c18fee25c0b2f75d84b0639611869e316148ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3450",
    "kind": "arxiv",
    "version": 1
  }
}