Pith Number

pith:IO43QIXR

pith:2017:IO43QIXRV6C5UBM7RX64LAOBF3

not attested not anchored not stored refs pending

An stratification of $B^4(2,K_C)$ over a general curve

Abel Castorena, Graciela Reyes-Ahumada

arxiv:1707.01981 v1 · 2017-07-06 · 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{IO43QIXRV6C5UBM7RX64LAOBF3}

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	2026-05-18T00:40:45.663789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43b9b822f1af85da059f8dfdc581c12ef92b513db53e7e1f642c0c8507d0b794

Aliases

arxiv: 1707.01981 · arxiv_version: 1707.01981v1 · doi: 10.48550/arxiv.1707.01981 · pith_short_12: IO43QIXRV6C5 · pith_short_16: IO43QIXRV6C5UBM7 · pith_short_8: IO43QIXR

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/IO43QIXRV6C5UBM7RX64LAOBF3 \
  | 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: 43b9b822f1af85da059f8dfdc581c12ef92b513db53e7e1f642c0c8507d0b794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19e16f99f7ccf006f796e4fad3dd0ef81ac5ad72ba6239e7ddac441033ee4ac6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-07-06T22:09:15Z",
    "title_canon_sha256": "37d9cf28e054cde8dbd5f13d8b79e5b79062fb9b13bdb9e3deea2979bc5ba370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01981",
    "kind": "arxiv",
    "version": 1
  }
}