Pith Number

pith:JRD3URQK

pith:2010:JRD3URQKND55S6I7O7NZOS5FYV

not attested not anchored not stored refs pending

On a question of Mohamed and M\"uller

Dejun Wu, Yongduo Wang

arxiv:1004.5438 v1 · 2010-04-30 · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JRD3URQKND55S6I7O7NZOS5FYV}

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	2026-05-18T02:24:14.849350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c47ba460a68fbd9791f77db974ba5c5558e159475ad0e6cc853a1d1525e4b3e

Aliases

arxiv: 1004.5438 · arxiv_version: 1004.5438v1 · doi: 10.48550/arxiv.1004.5438 · pith_short_12: JRD3URQKND55 · pith_short_16: JRD3URQKND55S6I7 · pith_short_8: JRD3URQK

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/JRD3URQKND55S6I7O7NZOS5FYV \
  | 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: 4c47ba460a68fbd9791f77db974ba5c5558e159475ad0e6cc853a1d1525e4b3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e12c192e586af7cc8138a4909b5b67955427450d2764a82f235e3c310aab9d2b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2010-04-30T02:31:43Z",
    "title_canon_sha256": "34c64257ec47e75c3ac194110d97293d8e23f418ea112e35b2ec091211824158"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5438",
    "kind": "arxiv",
    "version": 1
  }
}