Pith Number

pith:MRRCB5DX

pith:2022:MRRCB5DXWJQIPX5VOKMWCUINMP

not attested not anchored not stored refs pending

Euler characteristics of tautological bundles over Quot schemes of curves

Dragos Oprea, Shubham Sinha

arxiv:2207.01675 v1 · 2022-07-04 · 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{MRRCB5DXWJQIPX5VOKMWCUINMP}

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	2026-07-05T04:37:42.797364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

646220f477b26087dfb5729961510d63d85bdbe6f2f7149e72539db9e22b35fe

Aliases

arxiv: 2207.01675 · arxiv_version: 2207.01675v1 · doi: 10.48550/arxiv.2207.01675 · pith_short_12: MRRCB5DXWJQI · pith_short_16: MRRCB5DXWJQIPX5V · pith_short_8: MRRCB5DX

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/MRRCB5DXWJQIPX5VOKMWCUINMP \
  | 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: 646220f477b26087dfb5729961510d63d85bdbe6f2f7149e72539db9e22b35fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "423a74afb048d7df4d69962eba6dbc8df947ea711a1be58b9cfa8b01f79b02c5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2022-07-04T18:51:24Z",
    "title_canon_sha256": "422d8890db69e38afaf7dfab67c863067a777477380478f43ba2709879f6b531"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.01675",
    "kind": "arxiv",
    "version": 1
  }
}