Pith Number

pith:GWPPB3LR

pith:2016:GWPPB3LRBPSU4XYLX5KMYSERV2

not attested not anchored not stored refs pending

Tropicalization of theta characteristics, double covers, and Prym varieties

David Jensen, Yoav Len

arxiv:1606.02282 v2 · 2016-06-07 · math.AG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GWPPB3LRBPSU4XYLX5KMYSERV2}

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	2026-05-18T00:20:40.197955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

359ef0ed710be54e5f0bbf54cc4891ae833d71707f1e0cdc1cfd73ee1520b4a7

Aliases

arxiv: 1606.02282 · arxiv_version: 1606.02282v2 · doi: 10.48550/arxiv.1606.02282 · pith_short_12: GWPPB3LRBPSU · pith_short_16: GWPPB3LRBPSU4XYL · pith_short_8: GWPPB3LR

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/GWPPB3LRBPSU4XYLX5KMYSERV2 \
  | 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: 359ef0ed710be54e5f0bbf54cc4891ae833d71707f1e0cdc1cfd73ee1520b4a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b99dc1bc363b10fb7655a3668da2bd9e8cebbd257cf402b87321b71ec60c37b",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-06-07T19:58:05Z",
    "title_canon_sha256": "9fac3f699b3054c1c8332e4c8a44fbd46ce040a9a5f3cc2b6b66ea5f15469f5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.02282",
    "kind": "arxiv",
    "version": 2
  }
}