Pith Number

pith:QEBXJYNY

pith:2008:QEBXJYNYTY5RDMDP3PYZEO7J4Y

not attested not anchored not stored refs pending

Local conditions for global representations of quadratic forms

Rainer Schulze-Pillot

arxiv:0804.2158 v4 · 2008-04-14 · 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{QEBXJYNYTY5RDMDP3PYZEO7J4Y}

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	2026-05-18T02:15:53.675426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

810374e1b89e3b11b06fdbf1923be9e6000bd5eb43656d285e18e530c6924fc4

Aliases

arxiv: 0804.2158 · arxiv_version: 0804.2158v4 · doi: 10.48550/arxiv.0804.2158 · pith_short_12: QEBXJYNYTY5R · pith_short_16: QEBXJYNYTY5RDMDP · pith_short_8: QEBXJYNY

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/QEBXJYNYTY5RDMDP3PYZEO7J4Y \
  | 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: 810374e1b89e3b11b06fdbf1923be9e6000bd5eb43656d285e18e530c6924fc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22bf8eda1d1fc081d4d232fd8ddab277ed9e1c8854dd368a3ec384a9604765ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2008-04-14T12:16:53Z",
    "title_canon_sha256": "368c2be419d893fb3a56d0ca967b0632d20f04f3d291e62d9a066576bcb42e8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.2158",
    "kind": "arxiv",
    "version": 4
  }
}