Pith Number

pith:3TYZOEFN

pith:2014:3TYZOEFN75WZBQA2NQK2TEOJVM

not attested not anchored not stored refs pending

Recycling BiCG for families of shifted linear systems

Hou-Biao Li, Jing Meng, Pei-yong Zhu

arxiv:1403.3876 v2 · 2014-03-16 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3TYZOEFN75WZBQA2NQK2TEOJVM}

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	2026-05-18T02:49:03.113819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcf19710adff6d90c01a6c15a991c9ab1e33667bef73b7b70d47757c24d396f9

Aliases

arxiv: 1403.3876 · arxiv_version: 1403.3876v2 · doi: 10.48550/arxiv.1403.3876 · pith_short_12: 3TYZOEFN75WZ · pith_short_16: 3TYZOEFN75WZBQA2 · pith_short_8: 3TYZOEFN

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/3TYZOEFN75WZBQA2NQK2TEOJVM \
  | 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: dcf19710adff6d90c01a6c15a991c9ab1e33667bef73b7b70d47757c24d396f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26204858149054b7af24f7f5d4c18b747275e966e1a0dcfbfebea137a40ddfb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-03-16T03:21:58Z",
    "title_canon_sha256": "4553cc47bd90ae092e8eba93b9fdb991a5003133bdd3dd03205ab9b89c82a238"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3876",
    "kind": "arxiv",
    "version": 2
  }
}