Pith Number

pith:NYMBPF36

pith:2016:NYMBPF36L5HS3LYDMICTOVFFLQ

not attested not anchored not stored refs pending

Counting special Lagrangian fibrations in twistor families of K3 surfaces

Simion Filip

arxiv:1612.08684 v2 · 2016-12-27 · math.GT · math.AG · math.DG · 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{NYMBPF36L5HS3LYDMICTOVFFLQ}

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	2026-05-18T00:02:18.569030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e1817977e5f4f2daf0362053754a55c0fb9f085c48e5e54541e76e0d439dae9

Aliases

arxiv: 1612.08684 · arxiv_version: 1612.08684v2 · doi: 10.48550/arxiv.1612.08684 · pith_short_12: NYMBPF36L5HS · pith_short_16: NYMBPF36L5HS3LYD · pith_short_8: NYMBPF36

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/NYMBPF36L5HS3LYDMICTOVFFLQ \
  | 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: 6e1817977e5f4f2daf0362053754a55c0fb9f085c48e5e54541e76e0d439dae9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f9aba160f524d47b988c609cba40983d2e792901d86ec35c7b5cd7a7834fa41",
    "cross_cats_sorted": [
      "math.AG",
      "math.DG",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-12-27T17:13:56Z",
    "title_canon_sha256": "c04ec1c1565733bd3fbb1d7724e37c8c978c2fb69e86655dee242c3a408e0ae8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.08684",
    "kind": "arxiv",
    "version": 2
  }
}