Pith Number

pith:XMHMCJWV

pith:2018:XMHMCJWVWL5ZUIVTLQ7DD4KTKF

not attested not anchored not stored refs pending

Rational curves on fibered varieties

Fabrizio Anella

arxiv:1809.09454 v2 · 2018-09-25 · 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{XMHMCJWVWL5ZUIVTLQ7DD4KTKF}

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	2026-05-17T23:51:25.916417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb0ec126d5b2fb9a22b35c3e31f15351694a5684f67b6a9799c2aa2f2d0d1856

Aliases

arxiv: 1809.09454 · arxiv_version: 1809.09454v2 · doi: 10.48550/arxiv.1809.09454 · pith_short_12: XMHMCJWVWL5Z · pith_short_16: XMHMCJWVWL5ZUIVT · pith_short_8: XMHMCJWV

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/XMHMCJWVWL5ZUIVTLQ7DD4KTKF \
  | 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: bb0ec126d5b2fb9a22b35c3e31f15351694a5684f67b6a9799c2aa2f2d0d1856

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bee5217baa71f26fb9712eb0f206e0a67196c4b405fb874ab061ee2e6702866",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-09-25T13:16:25Z",
    "title_canon_sha256": "91e4e7b2a47460b889e896649912f0915a44de4438c3086e603e4eba5599af43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09454",
    "kind": "arxiv",
    "version": 2
  }
}