Pith Number

pith:QIC3AG5Y

pith:2013:QIC3AG5YBLJHY34AU6J2DMABFH

not attested not anchored not stored refs pending

Computing with quadratic forms over number fields

Alfred Czoga{\l}a, Przemys{\l}aw Koprowski

arxiv:1304.0708 v2 · 2013-04-02 · 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{QIC3AG5YBLJHY34AU6J2DMABFH}

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	2026-05-18T01:21:23.353065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8205b01bb80ad27c6f80a793a1b00129d278a388649c550ee25220f95a1336b7

Aliases

arxiv: 1304.0708 · arxiv_version: 1304.0708v2 · doi: 10.48550/arxiv.1304.0708 · pith_short_12: QIC3AG5YBLJH · pith_short_16: QIC3AG5YBLJHY34A · pith_short_8: QIC3AG5Y

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/QIC3AG5YBLJHY34AU6J2DMABFH \
  | 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: 8205b01bb80ad27c6f80a793a1b00129d278a388649c550ee25220f95a1336b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "781c2947cd5a8e943cf93d73fed1fda066e381de1d2ba7c0c05c458e150f1cb4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2013-04-02T17:39:06Z",
    "title_canon_sha256": "320da26094b3726d5342934d711b5eafb3caafc2983804729ee92ca4c8d0dc68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0708",
    "kind": "arxiv",
    "version": 2
  }
}