Pith Number

pith:CYYBS6TM

pith:2010:CYYBS6TM722IS2EZYE7DX7LLZZ

not attested not anchored not stored refs pending

Local-global principle for quadratic forms over fraction fields of two-dimensional henselian domains

Yong Hu

arxiv:1010.6038 v4 · 2010-10-28 · math.AG · 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{CYYBS6TM722IS2EZYE7DX7LLZZ}

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	2026-05-18T03:16:40.660482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1630197a6cfeb4896899c13e3bfd6bce7b9d3a57b7420f364ad54b2cf4e4041c

Aliases

arxiv: 1010.6038 · arxiv_version: 1010.6038v4 · doi: 10.48550/arxiv.1010.6038 · pith_short_12: CYYBS6TM722I · pith_short_16: CYYBS6TM722IS2EZ · pith_short_8: CYYBS6TM

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/CYYBS6TM722IS2EZYE7DX7LLZZ \
  | 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: 1630197a6cfeb4896899c13e3bfd6bce7b9d3a57b7420f364ad54b2cf4e4041c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "921b1fa19befea20b3ecbbced9510eba6fbc7110b0f22e31ba1cf4a5f36867d6",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-10-28T18:25:18Z",
    "title_canon_sha256": "e5558705883c60b4aabc0de9e462dfc94c06eb737d33f60141acc64a10e72d43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.6038",
    "kind": "arxiv",
    "version": 4
  }
}