Pith Number

pith:2QNG76RG

pith:2019:2QNG76RGD2DI26CJS2C4UWNWDQ

not attested not anchored not stored refs pending

On the motive of zero-dimensional Quot schemes on a curve

Barbara Fantechi, Fabio Perroni, Massimo Bagnarol

arxiv:1907.00826 v1 · 2019-07-01 · 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{2QNG76RGD2DI26CJS2C4UWNWDQ}

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	2026-05-17T23:41:47.962155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d41a6ffa261e868d78499685ca59b61c38ccc6f84e7eac5a282099f59ea2620a

Aliases

arxiv: 1907.00826 · arxiv_version: 1907.00826v1 · doi: 10.48550/arxiv.1907.00826 · pith_short_12: 2QNG76RGD2DI · pith_short_16: 2QNG76RGD2DI26CJ · pith_short_8: 2QNG76RG

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/2QNG76RGD2DI26CJS2C4UWNWDQ \
  | 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: d41a6ffa261e868d78499685ca59b61c38ccc6f84e7eac5a282099f59ea2620a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23534b7f6eedd9743042755fea822dbe1a640c707b2b3b1e87a9c486f3156431",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-07-01T14:35:07Z",
    "title_canon_sha256": "25fef745f2fbe22b62cfce4740ec84da188d5f46a769c05eea3eb644227e7975"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00826",
    "kind": "arxiv",
    "version": 1
  }
}