Pith Number

pith:5POP6PO2

pith:2015:5POP6PO2CQ7XF6L6SAD3KCWVTE

not attested not anchored not stored refs pending

Orthogonally Accumulated Projection Methods for Linear System of Equations

Shuhua Zhang, Wujian Peng

arxiv:1509.02002 v1 · 2015-09-07 · 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{5POP6PO2CQ7XF6L6SAD3KCWVTE}

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	2026-05-18T01:08:13.031591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebdcff3dda143f72f97e9007b50ad599262e16045aa5c60c64a8ca5437aaac60

Aliases

arxiv: 1509.02002 · arxiv_version: 1509.02002v1 · doi: 10.48550/arxiv.1509.02002 · pith_short_12: 5POP6PO2CQ7X · pith_short_16: 5POP6PO2CQ7XF6L6 · pith_short_8: 5POP6PO2

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/5POP6PO2CQ7XF6L6SAD3KCWVTE \
  | 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: ebdcff3dda143f72f97e9007b50ad599262e16045aa5c60c64a8ca5437aaac60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbcb39d4430708e8d1bfd190563c5c7a917f91ae17e2cba0c682aa1ff464eeea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-09-07T12:01:47Z",
    "title_canon_sha256": "4358b9232d81873a69220201133871eae0a0461030b3817e6651bb4c7fa21b8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02002",
    "kind": "arxiv",
    "version": 1
  }
}