Pith Number

pith:F2NFEUVK

pith:2019:F2NFEUVKH2CV37MXAEHJ27QH6X

not attested not anchored not stored refs pending

On the torsion values for sections of an elliptic scheme

David Masser, Julian Demeio, Pietro Corvaja, Umberto Zannier

arxiv:1909.01253 v2 · 2019-09-03 · math.AG · math.NT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F2NFEUVKH2CV37MXAEHJ27QH6X}

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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.

Cited by

1 paper in Pith

Transversality of sections on elliptic surfaces with applications to elliptic divisibility sequences and geography of surfaces

Receipt and verification

First computed	2026-07-05T00:24:09.619180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e9a5252aa3e855dfd97010e9d7e07f5efd28025dda724514706068a4172ef6b

Aliases

arxiv: 1909.01253 · arxiv_version: 1909.01253v2 · doi: 10.48550/arxiv.1909.01253 · pith_short_12: F2NFEUVKH2CV · pith_short_16: F2NFEUVKH2CV37MX · pith_short_8: F2NFEUVK

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/F2NFEUVKH2CV37MXAEHJ27QH6X \
  | 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: 2e9a5252aa3e855dfd97010e9d7e07f5efd28025dda724514706068a4172ef6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65f936983247c700cba8a07ae40bc50e44bc9dea7365e056d91946bd4914a418",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-09-03T15:31:08Z",
    "title_canon_sha256": "7f4e8090d453094b58b47c7b041455d151d35f9d9df7e097eafb7f7537026cad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01253",
    "kind": "arxiv",
    "version": 2
  }
}