Pith Number

pith:AZLSVABH

pith:2017:AZLSVABH62RHSROQLNDXGZ3ENR

not attested not anchored not stored refs pending

On the rank of universal quadratic forms over real quadratic fields

Valentin Blomer, V\'it\v{e}zslav Kala

arxiv:1705.03671 v2 · 2017-05-10 · 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{AZLSVABH62RHSROQLNDXGZ3ENR}

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	2026-05-18T00:11:32.585520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06572a8027f6a27945d05b477367646c73f2eb27e3b5fd48618eee28d93451a8

Aliases

arxiv: 1705.03671 · arxiv_version: 1705.03671v2 · doi: 10.48550/arxiv.1705.03671 · pith_short_12: AZLSVABH62RH · pith_short_16: AZLSVABH62RHSROQ · pith_short_8: AZLSVABH

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/AZLSVABH62RHSROQLNDXGZ3ENR \
  | 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: 06572a8027f6a27945d05b477367646c73f2eb27e3b5fd48618eee28d93451a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e35e4d6b6222872f6ffc5a47e7ea22fc7ba5d2531abab73fb63fbe1809450b43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-05-10T09:34:42Z",
    "title_canon_sha256": "d80e1c6a486527606ff53048952a8cd3fd8394ad6a41e0cd4247ef80506e1f46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03671",
    "kind": "arxiv",
    "version": 2
  }
}