Pith Number

pith:QEQWKUCP

pith:2024:QEQWKUCP2W7EB7BQEDW3RIHUM5

not attested not anchored not stored refs pending

Fano visitor problem for K3 surfaces

Anibal Aravena

arxiv:2410.06436 v3 · 2024-10-09 · 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{QEQWKUCP2W7EB7BQEDW3RIHUM5}

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.

Cited by

1 paper in Pith

Two New Extensions of Reider's Theorem on Algebraic Surfaces

Receipt and verification

First computed	2026-07-05T10:59:25.159288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

812165504fd5be40fc3020edb8a0f4677fa6336488ba10817f6952df8fa2a0d6

Aliases

arxiv: 2410.06436 · arxiv_version: 2410.06436v3 · doi: 10.48550/arxiv.2410.06436 · pith_short_12: QEQWKUCP2W7E · pith_short_16: QEQWKUCP2W7EB7BQ · pith_short_8: QEQWKUCP

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/QEQWKUCP2W7EB7BQEDW3RIHUM5 \
  | 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: 812165504fd5be40fc3020edb8a0f4677fa6336488ba10817f6952df8fa2a0d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0881330f6433caebc0aaa22466f08b834bbd94ea6ac60822f2e751a7aae2dc94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2024-10-09T00:44:05Z",
    "title_canon_sha256": "7f0f1b9d3379c1f9a7bea925b4e4908348e8dcda88e0ea910494f4e8c7cb13d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.06436",
    "kind": "arxiv",
    "version": 3
  }
}