Pith Number

pith:YUECHFAT

pith:2014:YUECHFATIUDGRCO25RLHFDGTU6

not attested not anchored not stored refs pending

Rational points on K3 surfaces and derived equivalence

Brendan Hassett, Yuri Tschinkel

arxiv:1411.6259 v2 · 2014-11-23 · 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{YUECHFATIUDGRCO25RLHFDGTU6}

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	2026-05-18T01:33:49.005530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c50823941345066889daec56728cd3a79b5c9d49068c47a852e1f0d73adea3c2

Aliases

arxiv: 1411.6259 · arxiv_version: 1411.6259v2 · doi: 10.48550/arxiv.1411.6259 · pith_short_12: YUECHFATIUDG · pith_short_16: YUECHFATIUDGRCO2 · pith_short_8: YUECHFAT

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/YUECHFATIUDGRCO25RLHFDGTU6 \
  | 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: c50823941345066889daec56728cd3a79b5c9d49068c47a852e1f0d73adea3c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5754f5dc12e07a755a7f2f4cd485df69a025e6c6364c545f5657a882a76303f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-11-23T16:16:26Z",
    "title_canon_sha256": "2341bf507ccaa11dd8f3d4083c1638ac019be6908b276840bc60c4f28b520b16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.6259",
    "kind": "arxiv",
    "version": 2
  }
}