Pith Number

pith:GSXZMN7U

pith:2017:GSXZMN7U3IVSRZJWETEQWXZMF2

not attested not anchored not stored refs pending

On special Lagrangian fibrations in generic twistor families of K3 surfaces

Carlos Matheus, Nicolas Bergeron

arxiv:1703.01746 v2 · 2017-03-06 · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GSXZMN7U3IVSRZJWETEQWXZMF2}

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	2026-05-18T00:02:36.518179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34af9637f4da2b28e53624c90b5f2c2ebf7732210efcbcffae3980a8783ef9e5

Aliases

arxiv: 1703.01746 · arxiv_version: 1703.01746v2 · doi: 10.48550/arxiv.1703.01746 · pith_short_12: GSXZMN7U3IVS · pith_short_16: GSXZMN7U3IVSRZJW · pith_short_8: GSXZMN7U

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/GSXZMN7U3IVSRZJWETEQWXZMF2 \
  | 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: 34af9637f4da2b28e53624c90b5f2c2ebf7732210efcbcffae3980a8783ef9e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06c39d267289a7586200e3714b5c88944395d7e6e27ac9ae08964f1d4998b713",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-03-06T07:14:33Z",
    "title_canon_sha256": "67ae11872306d7cc20dec195be27e9c8dd3c384b7f4e1c1b5d989c04573fe480"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01746",
    "kind": "arxiv",
    "version": 2
  }
}