Pith Number

pith:6R66XFWS

pith:2025:6R66XFWSYHLOVMRWLKGS457D7G

not attested not anchored not stored refs pending

Homological mirror symmetry for projective K3 surfaces

Ailsa Keating, Paul Hacking

arxiv:2503.05680 v1 · 2025-03-07 · math.SG · 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{6R66XFWSYHLOVMRWLKGS457D7G}

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	2026-07-05T10:26:34.719956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f47deb96d2c1d6eab2365a8d2e77e3f9a269667aaa177ac9dda40946ed26e259

Aliases

arxiv: 2503.05680 · arxiv_version: 2503.05680v1 · doi: 10.48550/arxiv.2503.05680 · pith_short_12: 6R66XFWSYHLO · pith_short_16: 6R66XFWSYHLOVMRW · pith_short_8: 6R66XFWS

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/6R66XFWSYHLOVMRWLKGS457D7G \
  | 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: f47deb96d2c1d6eab2365a8d2e77e3f9a269667aaa177ac9dda40946ed26e259

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee67a274c9b6b81a1aeff69bbd5af7a95d2ab455baa862be0b3e3bd290ebaf71",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2025-03-07T18:40:16Z",
    "title_canon_sha256": "3a5bc6dd100c1ca66a76d280b585159532ffc506d13178040ed8dc7bff110d9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.05680",
    "kind": "arxiv",
    "version": 1
  }
}