Pith Number

pith:DAVDRZPE

pith:2019:DAVDRZPE47N4KVU6CWIIUVE6IE

not attested not anchored not stored refs pending

Neighborhood of the supersingular elliptic curve isogeny graph at $j=0$ and $1728$

Songsong Li, Yi Ouyang, Zheng Xu

arxiv:1905.00244 v2 · 2019-05-01 · 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{DAVDRZPE47N4KVU6CWIIUVE6IE}

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	2026-05-17T23:39:24.291951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

182a38e5e4e7dbc5569e15908a549e411db40a5112c61af120d4bbe021543528

Aliases

arxiv: 1905.00244 · arxiv_version: 1905.00244v2 · doi: 10.48550/arxiv.1905.00244 · pith_short_12: DAVDRZPE47N4 · pith_short_16: DAVDRZPE47N4KVU6 · pith_short_8: DAVDRZPE

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/DAVDRZPE47N4KVU6CWIIUVE6IE \
  | 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: 182a38e5e4e7dbc5569e15908a549e411db40a5112c61af120d4bbe021543528

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffcc18e25bc512268f16e3b758544578b4d57e3662dea0a0c8e1c8d96297130d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2019-05-01T10:12:55Z",
    "title_canon_sha256": "0ae69c927b9f63c8b261c20264638fc35ec0b6784e0f2e23a7e8f0c58ef55b03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00244",
    "kind": "arxiv",
    "version": 2
  }
}