Pith Number

pith:PHS6GGFR

pith:2024:PHS6GGFREQLAFRGWKAUFTOPHLU

not attested not anchored not stored refs pending

Severi Varieties on Ruled Surfaces over Elliptic Curves

Adrian Zahariuc, Xiaotian Chang, Xi Chen

arxiv:2405.11429 v1 · 2024-05-19 · 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{PHS6GGFREQLAFRGWKAUFTOPHLU}

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	2026-05-27T14:06:35.571297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79e5e318b1241602c4d6502859b9e75d30f0b23f4fe3e56fa47a5627310ae927

Aliases

arxiv: 2405.11429 · arxiv_version: 2405.11429v1 · doi: 10.48550/arxiv.2405.11429 · pith_short_12: PHS6GGFREQLA · pith_short_16: PHS6GGFREQLAFRGW · pith_short_8: PHS6GGFR

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/PHS6GGFREQLAFRGWKAUFTOPHLU \
  | 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: 79e5e318b1241602c4d6502859b9e75d30f0b23f4fe3e56fa47a5627310ae927

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8f412652c6208a54f593169f7b665e2eca4629264dd71208259becab4172d7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2024-05-19T02:54:46Z",
    "title_canon_sha256": "2d1465c90b4363806fe7d53877b5ed29aa65c50d8450dd7264973f92ddd36592"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.11429",
    "kind": "arxiv",
    "version": 1
  }
}