Pith Number

pith:B5FPRSTA

pith:2017:B5FPRSTAO3Z56JWBHNHQDOPIW7

not attested not anchored not stored refs pending

Numbers Represented by a Finite Set of Binary Quadratic Forms

Christopher Donnay, Erin Wood, Havi Ellers, Kate O'Connor, Katherine Thompson

arxiv:1708.04877 v1 · 2017-08-16 · 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{B5FPRSTAO3Z56JWBHNHQDOPIW7}

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	2026-05-18T00:37:55.278215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f4af8ca6076f3df26c13b4f01b9e8b7dcc7c9797c86db6c0c2c074e571c26aa

Aliases

arxiv: 1708.04877 · arxiv_version: 1708.04877v1 · doi: 10.48550/arxiv.1708.04877 · pith_short_12: B5FPRSTAO3Z5 · pith_short_16: B5FPRSTAO3Z56JWB · pith_short_8: B5FPRSTA

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/B5FPRSTAO3Z56JWBHNHQDOPIW7 \
  | 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: 0f4af8ca6076f3df26c13b4f01b9e8b7dcc7c9797c86db6c0c2c074e571c26aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6c8f240bef651070a37d4e1d8a0c89c225564b3d58dd718c6720978b0a3d7ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-08-16T13:19:24Z",
    "title_canon_sha256": "2226ebbab64b90439dd28e0ba7e0e4d91eeb0a00c61c834e76a2cb6e85f12736"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04877",
    "kind": "arxiv",
    "version": 1
  }
}