Pith Number

pith:SVXUC5YS

pith:2025:SVXUC5YSECLKT5E6HETJLSDQAJ

not attested not anchored not stored refs pending

Gaps between quadratic forms

Siddharth Iyer

arxiv:2505.23428 v1 · 2025-05-29 · 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{SVXUC5YSECLKT5E6HETJLSDQAJ}

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	2026-05-20T00:02:05.191623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

956f4177122096a9f49e392695c87002488355f7a8859b33cbcab267029b2bb5

Aliases

arxiv: 2505.23428 · arxiv_version: 2505.23428v1 · doi: 10.48550/arxiv.2505.23428 · pith_short_12: SVXUC5YSECLK · pith_short_16: SVXUC5YSECLKT5E6 · pith_short_8: SVXUC5YS

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/SVXUC5YSECLKT5E6HETJLSDQAJ \
  | 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: 956f4177122096a9f49e392695c87002488355f7a8859b33cbcab267029b2bb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a358bb6d840d94229d225c0b021a82f67e833d543b4ba7b367cac9d22438ff29",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2025-05-29T13:23:38Z",
    "title_canon_sha256": "d0dd88a886d0d99e03df88067580a25a8c4b1d02ea4f06964c2ad0dab60016a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23428",
    "kind": "arxiv",
    "version": 1
  }
}