Pith Number

pith:76B3UVAA

pith:2013:76B3UVAACNLCO3A2QKZKRNP633

not attested not anchored not stored refs pending

A note on solutions of linear systems

Biljana Radicic, Branko Malesevic, Ivana Jovovic, Milica Makragic

arxiv:1304.7890 v2 · 2013-04-30 · 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{76B3UVAACNLCO3A2QKZKRNP633}

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	2026-05-18T03:17:56.443801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff83ba54001356276c1a82b2a8b5fedeffef174e8f57198302f615c45cb03431

Aliases

arxiv: 1304.7890 · arxiv_version: 1304.7890v2 · doi: 10.48550/arxiv.1304.7890 · pith_short_12: 76B3UVAACNLC · pith_short_16: 76B3UVAACNLCO3A2 · pith_short_8: 76B3UVAA

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/76B3UVAACNLCO3A2QKZKRNP633 \
  | 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: ff83ba54001356276c1a82b2a8b5fedeffef174e8f57198302f615c45cb03431

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cda790a36e08921cfc5b9b06e885868e49c0929d4552c9025a5661879f8a37cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-04-30T06:17:14Z",
    "title_canon_sha256": "dcd0d62473353d0d283a8c55b0cd2e6ffe25bf8b0d833b7a3c7d25dba145be87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7890",
    "kind": "arxiv",
    "version": 2
  }
}