Pith Number

pith:WLUFMVYV

pith:2012:WLUFMVYV5DR67BV74K4R6AOYB5

not attested not anchored not stored refs pending

The unramified Brauer group of norm one tori

Dasheng Wei

arxiv:1202.4714 v3 · 2012-02-21 · 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{WLUFMVYV5DR67BV74K4R6AOYB5}

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	2026-05-18T03:04:14.082224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2e8565715e8e3ef86bfe2b91f01d80f6082f1580a561beb1f6132153c89f686

Aliases

arxiv: 1202.4714 · arxiv_version: 1202.4714v3 · doi: 10.48550/arxiv.1202.4714 · pith_short_12: WLUFMVYV5DR6 · pith_short_16: WLUFMVYV5DR67BV7 · pith_short_8: WLUFMVYV

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/WLUFMVYV5DR67BV74K4R6AOYB5 \
  | 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: b2e8565715e8e3ef86bfe2b91f01d80f6082f1580a561beb1f6132153c89f686

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ead20206476ab6c88e690b50ce09ea75a6720c45b8de91ad4b9ccbe5c9ae177",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2012-02-21T17:46:18Z",
    "title_canon_sha256": "fcba798355fc69d1da4b22be78d100d808de34710a4a14567ecdde95a4f52304"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4714",
    "kind": "arxiv",
    "version": 3
  }
}