Pith Number

pith:QIUMFQYM

pith:2013:QIUMFQYMGGXPTERM2P277BXF4R

not attested not anchored not stored refs pending

The Fourier transform for certain hyperKaehler fourfolds

Charles Vial, Mingmin Shen

arxiv:1309.5965 v2 · 2013-09-23 · 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{QIUMFQYMGGXPTERM2P277BXF4R}

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	2026-05-18T02:50:31.336822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8228c2c30c31aef9922cd3f5ff86e5e44cbc02dfbcc2ac07114b91a327c166a8

Aliases

arxiv: 1309.5965 · arxiv_version: 1309.5965v2 · doi: 10.48550/arxiv.1309.5965 · pith_short_12: QIUMFQYMGGXP · pith_short_16: QIUMFQYMGGXPTERM · pith_short_8: QIUMFQYM

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/QIUMFQYMGGXPTERM2P277BXF4R \
  | 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: 8228c2c30c31aef9922cd3f5ff86e5e44cbc02dfbcc2ac07114b91a327c166a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f8273f9fe93a20f3d9a6f1ffaa39550210288c1aca31e4ff1f59be07ab9cde1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-09-23T20:01:06Z",
    "title_canon_sha256": "656ff0a691db014245bc473e2a25134db79abc0291396f60d16daa17a8849a6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5965",
    "kind": "arxiv",
    "version": 2
  }
}