Pith Number

pith:NV4TCQ2E

pith:2026:NV4TCQ2EDV4OQPH5DB4SQNNNBE

not attested not anchored not stored refs pending

Integral magneticity of the level-two K3 packet: CM theta lifts and a 2-isogeny trace contraction

Alex Shvets

arxiv:2607.19427 v1 · 2026-07-20 · 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{NV4TCQ2EDV4OQPH5DB4SQNNNBE}

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	2026-07-23T00:23:49.367140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d793143441d78e83cfd18792835ad0933af3dea058cbab9a8e031d9c5bfd012

Aliases

arxiv: 2607.19427 · arxiv_version: 2607.19427v1 · doi: 10.48550/arxiv.2607.19427 · pith_short_12: NV4TCQ2EDV4O · pith_short_16: NV4TCQ2EDV4OQPH5 · pith_short_8: NV4TCQ2E

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/NV4TCQ2EDV4OQPH5DB4SQNNNBE \
  | 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: 6d793143441d78e83cfd18792835ad0933af3dea058cbab9a8e031d9c5bfd012

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8fa4f2fe053a2b7961b7261fecf827817e39151ce8280f5940c7fb33a4a0dfe",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2026-07-20T18:32:56Z",
    "title_canon_sha256": "735fe67713448638eb8af0bedc826f4de5bb832afee18f066fd79db91bf96052"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19427",
    "kind": "arxiv",
    "version": 1
  }
}