Pith Number

pith:7KGZTGVK

pith:2025:7KGZTGVK3MGW5SU2MQOWWDG2F6

not attested not anchored not stored refs pending

Non-archimedean periods for log Calabi-Yau surfaces

Jonathan Lai, Soham Karwa

arxiv:2506.01651 v1 · 2025-06-02 · 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{7KGZTGVK3MGW5SU2MQOWWDG2F6}

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	2026-07-05T11:14:17.309929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa8d999aaadb0d6eca9a641d6b0cda2fbf4890d142bf5126f12716dfc0c00ad6

Aliases

arxiv: 2506.01651 · arxiv_version: 2506.01651v1 · doi: 10.48550/arxiv.2506.01651 · pith_short_12: 7KGZTGVK3MGW · pith_short_16: 7KGZTGVK3MGW5SU2 · pith_short_8: 7KGZTGVK

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/7KGZTGVK3MGW5SU2MQOWWDG2F6 \
  | 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: fa8d999aaadb0d6eca9a641d6b0cda2fbf4890d142bf5126f12716dfc0c00ad6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20e071a22f72ebe67e6f00a43acf305378c8ce1ed84201b51fcba9ca966d5cb4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-06-02T13:24:03Z",
    "title_canon_sha256": "97840cb088c014b58ad74a755c5a85695d97c59083f0c0428b5a1308a44d40da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.01651",
    "kind": "arxiv",
    "version": 1
  }
}