Pith Number

pith:ME463NEN

pith:2015:ME463NEN75FNDHHDD5MLIB6Q5P

not attested not anchored not stored refs pending

On minimal rational elliptic surfaces

Antonio Laface, Damiano Testa

arxiv:1502.00275 v2 · 2015-02-01 · 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{ME463NEN75FNDHHDD5MLIB6Q5P}

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	2026-05-18T02:16:20.293399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6139edb48dff4ad19ce31f58b407d0ebcdf4418e925f3ec899b9b27647b56c35

Aliases

arxiv: 1502.00275 · arxiv_version: 1502.00275v2 · doi: 10.48550/arxiv.1502.00275 · pith_short_12: ME463NEN75FN · pith_short_16: ME463NEN75FNDHHD · pith_short_8: ME463NEN

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/ME463NEN75FNDHHDD5MLIB6Q5P \
  | 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: 6139edb48dff4ad19ce31f58b407d0ebcdf4418e925f3ec899b9b27647b56c35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6efd750f43afcfb68e771e7e1198351971e3cc5ccd4af60ac8cb51093edc2826",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-02-01T15:53:13Z",
    "title_canon_sha256": "6a8a2d51f445164c8408e06f5db05a0fab2376f29c43a253407b6c1e974fb01f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00275",
    "kind": "arxiv",
    "version": 2
  }
}