Pith Number

pith:PBHMJHEV

pith:2019:PBHMJHEV3S63LIVMOJFKYALWAX

not attested not anchored not stored refs pending

A Prym variety with everywhere good reduction over $\mathbb{Q}(\sqrt{61})$

Jeroen Sijsling, John Voight, Nicolas Mascot

arxiv:1908.00421 v2 · 2019-08-01 · math.NT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PBHMJHEV3S63LIVMOJFKYALWAX}

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	2026-07-05T01:39:54.224643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

784ec49c95dcbdb5a2ac724aac017605c6ac9bf6957ac28a0ea08db52310069f

Aliases

arxiv: 1908.00421 · arxiv_version: 1908.00421v2 · doi: 10.48550/arxiv.1908.00421 · pith_short_12: PBHMJHEV3S63 · pith_short_16: PBHMJHEV3S63LIVM · pith_short_8: PBHMJHEV

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/PBHMJHEV3S63LIVMOJFKYALWAX \
  | 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: 784ec49c95dcbdb5a2ac724aac017605c6ac9bf6957ac28a0ea08db52310069f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56bb2c5c64d4350eb3cddf5dbf87e036d782e9d981d1ee3d9977141f0c9a202e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2019-08-01T14:13:53Z",
    "title_canon_sha256": "7f95d983da01a29939902d9f172f8a638e0a7c021946e99dec17bd0a4764a47d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00421",
    "kind": "arxiv",
    "version": 2
  }
}