Pith Number

pith:EXWGO3XT

pith:2015:EXWGO3XTC7PR2NBOK7Q7DMVUAW

not attested not anchored not stored refs pending

The Prym map of degree-7 cyclic coverings

Angela Ortega, Herbert Lange

arxiv:1501.07511 v1 · 2015-01-29 · 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{EXWGO3XTC7PR2NBOK7Q7DMVUAW}

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	2026-05-18T01:11:13.641346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25ec676ef317df1d342e57e1f1b2b40585c522a4f2f23961da6620dac7e00d05

Aliases

arxiv: 1501.07511 · arxiv_version: 1501.07511v1 · doi: 10.48550/arxiv.1501.07511 · pith_short_12: EXWGO3XTC7PR · pith_short_16: EXWGO3XTC7PR2NBO · pith_short_8: EXWGO3XT

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/EXWGO3XTC7PR2NBOK7Q7DMVUAW \
  | 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: 25ec676ef317df1d342e57e1f1b2b40585c522a4f2f23961da6620dac7e00d05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c83d240d360446dd20d1e0a3c9db7cdac383f92e8bbd3a18e545816cf6047d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-01-29T16:55:15Z",
    "title_canon_sha256": "9225af59415156fc7679b365b977bce8e39e79e606e8c5df27768674f99cc17e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07511",
    "kind": "arxiv",
    "version": 1
  }
}