Pith Number

pith:HYNXWHL3

pith:2026:HYNXWHL3APC47DEW44PLCU45DS

not attested not anchored not stored refs pending

Remarks on basepoint-freeness thresholds of polarized abelian surfaces

Atsushi Ito

arxiv:2605.19353 v1 · 2026-05-19 · 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{HYNXWHL3APC47DEW44PLCU45DS}

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	2026-05-20T01:05:41.092961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e1b7b1d7b03c5cf8c96e71eb1539d1c9df20310d79f7c20c969fb664d554c8a

Aliases

arxiv: 2605.19353 · arxiv_version: 2605.19353v1 · doi: 10.48550/arxiv.2605.19353 · pith_short_12: HYNXWHL3APC4 · pith_short_16: HYNXWHL3APC47DEW · pith_short_8: HYNXWHL3

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/HYNXWHL3APC47DEW44PLCU45DS \
  | 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: 3e1b7b1d7b03c5cf8c96e71eb1539d1c9df20310d79f7c20c969fb664d554c8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f19a0ae607e62c5204f2ad784abb571138b17a53113132861b8d0211f9ffbd52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-05-19T04:40:26Z",
    "title_canon_sha256": "65abdbd83135e92fdd0383fd5e39c2a9c8c5c373c2ae6d8498ce348636ecbaae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19353",
    "kind": "arxiv",
    "version": 1
  }
}