Pith Number

pith:DDJBIP4T

pith:2026:DDJBIP4TACQYXMVEE5NCZGKVJI

not attested not anchored not stored refs pending

Explicit mock Heegner points and BSD formula on certain Mordell curves

Dipramit Majumdar, Somnath Jha, Sumita Gunri

arxiv:2607.26774 v1 · 2026-07-29 · 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{DDJBIP4TACQYXMVEE5NCZGKVJI}

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	2026-07-30T01:22:16.099762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

18d2143f9300a18bb2a4275a2c99554a1a5403dee88d10658491ffdcfedc4892

Aliases

arxiv: 2607.26774 · arxiv_version: 2607.26774v1 · doi: 10.48550/arxiv.2607.26774 · pith_short_12: DDJBIP4TACQY · pith_short_16: DDJBIP4TACQYXMVE · pith_short_8: DDJBIP4T

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/DDJBIP4TACQYXMVEE5NCZGKVJI \
  | 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: 18d2143f9300a18bb2a4275a2c99554a1a5403dee88d10658491ffdcfedc4892

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d710e87d50dd967c0043a9c96d67064da6286ff11a510abaeb1119575b1f5f17",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2026-07-29T11:14:28Z",
    "title_canon_sha256": "41d6ccfae0a99ed08aafe0fb32bc8dc2b2bbaa5c96820b4cee8dbed6665752a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26774",
    "kind": "arxiv",
    "version": 1
  }
}