Pith Number

pith:HRA6SVMR

pith:2018:HRA6SVMRGUBW3OHKLUT3YCPUNK

not attested not anchored not stored refs pending

Moduli of Weierstrass fibrations with marked section

Giovanni Inchiostro

arxiv:1808.03539 v2 · 2018-08-10 · 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{HRA6SVMRGUBW3OHKLUT3YCPUNK}

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	2026-05-18T00:04:55.113719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c41e9559135036db8ea5d27bc09f46a966d77ad6f6a254c93cf465fc9903145

Aliases

arxiv: 1808.03539 · arxiv_version: 1808.03539v2 · doi: 10.48550/arxiv.1808.03539 · pith_short_12: HRA6SVMRGUBW · pith_short_16: HRA6SVMRGUBW3OHK · pith_short_8: HRA6SVMR

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/HRA6SVMRGUBW3OHKLUT3YCPUNK \
  | 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: 3c41e9559135036db8ea5d27bc09f46a966d77ad6f6a254c93cf465fc9903145

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4efcb80bc23215cf1b01a34b6ad9c81c16f42605ed7c7d2e4bea83763aa9089a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-08-10T13:47:01Z",
    "title_canon_sha256": "d0f1e2c5e30ddbef28305e58ac715d77439742ed36630dd82a74bc23f480c8b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03539",
    "kind": "arxiv",
    "version": 2
  }
}