Pith Number

pith:Q4H6CAMZ

pith:2011:Q4H6CAMZCTQK365QNYIB65H7OX

not attested not anchored not stored refs pending

On Siegel three folds with a projective Calabi--Yau model

Eberhard Freitag, Riccardo Salvati Manni

arxiv:1103.2040 v1 · 2011-03-10 · 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{Q4H6CAMZCTQK365QNYIB65H7OX}

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	2026-05-18T04:27:03.120526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

870fe1019914e0adfbb06e101f74ff75c47a5b770a353e75933d5e85d5d207a3

Aliases

arxiv: 1103.2040 · arxiv_version: 1103.2040v1 · doi: 10.48550/arxiv.1103.2040 · pith_short_12: Q4H6CAMZCTQK · pith_short_16: Q4H6CAMZCTQK365Q · pith_short_8: Q4H6CAMZ

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/Q4H6CAMZCTQK365QNYIB65H7OX \
  | 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: 870fe1019914e0adfbb06e101f74ff75c47a5b770a353e75933d5e85d5d207a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bfee144930b6ddde094e4be26c1bc5fdd74828d517bb7b3cf721e2d9065d2da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-03-10T14:10:39Z",
    "title_canon_sha256": "77fd6f2372e1e7dbe8cc0e810c5d330f00af05dee2ed78b5cce45d676b75ce23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2040",
    "kind": "arxiv",
    "version": 1
  }
}