Pith Number

pith:2GJPYQBM

pith:2017:2GJPYQBM7TRCZAJQMLGVQH5575

not attested not anchored not stored refs pending

Restricted sums of four integral squares

Rainer Schulze-Pillot

arxiv:1703.06342 v2 · 2017-03-18 · 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{2GJPYQBM7TRCZAJQMLGVQH5575}

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	2026-05-17T23:51:44.568234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d192fc402cfce22c813062cd581fbdff57c847de1e7dfd8700368a07990d5747

Aliases

arxiv: 1703.06342 · arxiv_version: 1703.06342v2 · doi: 10.48550/arxiv.1703.06342 · pith_short_12: 2GJPYQBM7TRC · pith_short_16: 2GJPYQBM7TRCZAJQ · pith_short_8: 2GJPYQBM

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/2GJPYQBM7TRCZAJQMLGVQH5575 \
  | 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: d192fc402cfce22c813062cd581fbdff57c847de1e7dfd8700368a07990d5747

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fee4a063c5a529ea6e1ed07f6bf227e126503e607030fd46ccde8215f4e1f4e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-03-18T20:07:39Z",
    "title_canon_sha256": "ce2f91e3807486ec8142bee8e23518b4df9f4108d81e59a19c51199124f13518"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06342",
    "kind": "arxiv",
    "version": 2
  }
}