Pith Number

pith:CLDXNECX

pith:2012:CLDXNECXLJH45WRKVPYIAK5XKW

not attested not anchored not stored refs pending

On Jaconian Kummer surfaces

Kenji Koike

arxiv:1212.5884 v1 · 2012-12-24 · 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{CLDXNECXLJH45WRKVPYIAK5XKW}

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	2026-05-18T03:37:51.082267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12c77690575a4fceda2aabf0802bb755ab3023b490714172e4ce621fcd03cc0c

Aliases

arxiv: 1212.5884 · arxiv_version: 1212.5884v1 · doi: 10.48550/arxiv.1212.5884 · pith_short_12: CLDXNECXLJH4 · pith_short_16: CLDXNECXLJH45WRK · pith_short_8: CLDXNECX

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/CLDXNECXLJH45WRKVPYIAK5XKW \
  | 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: 12c77690575a4fceda2aabf0802bb755ab3023b490714172e4ce621fcd03cc0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "960e928a687f2714d04e83851a23a5a1541e7458acd20aeed7083fde21b03532",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-12-24T09:58:53Z",
    "title_canon_sha256": "ec94fb51158e3887dd73ab3a7ffb75caa025a50e6370ff3e1fbd0b0e242bf766"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5884",
    "kind": "arxiv",
    "version": 1
  }
}