Pith Number

pith:PFGJB26I

pith:2014:PFGJB26I4KOBD4T24XVVUFS3J5

not attested not anchored not stored refs pending

Descent via (3,3)-isogeny on Jacobians of genus 2 curves

Damiano Testa, E. Victor Flynn, Nils Bruin

arxiv:1401.0580 v1 · 2014-01-03 · 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{PFGJB26I4KOBD4T24XVVUFS3J5}

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	2026-05-18T02:30:01.259236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

794c90ebc8e29c11f27ae5eb5a165b4f45e30b55ba73a8d5767b3bdafa886529

Aliases

arxiv: 1401.0580 · arxiv_version: 1401.0580v1 · doi: 10.48550/arxiv.1401.0580 · pith_short_12: PFGJB26I4KOB · pith_short_16: PFGJB26I4KOBD4T2 · pith_short_8: PFGJB26I

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/PFGJB26I4KOBD4T24XVVUFS3J5 \
  | 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: 794c90ebc8e29c11f27ae5eb5a165b4f45e30b55ba73a8d5767b3bdafa886529

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22e80c8f351049e6666d7a200c06148e4bdb58e94234d448be5f5f54f6dfee9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-01-03T02:55:12Z",
    "title_canon_sha256": "c182b5cbc9a67770b3576f09d7ab75546ac92636b335f2e255bcef2cb35eff79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0580",
    "kind": "arxiv",
    "version": 1
  }
}