Pith Number

pith:7CW6FXF4

pith:2015:7CW6FXF4R7U7OX4YW5PQNTJKT5

not attested not anchored not stored refs pending

Accelerating the Uzawa Algorithm

Homer F. Walker, Nguyenho Ho, Sarah D. Olson

arxiv:1510.04246 v2 · 2015-10-14 · 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{7CW6FXF4R7U7OX4YW5PQNTJKT5}

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	2026-05-18T01:14:17.787579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8ade2dcbc8fe9f75f98b75f06cd2a9f6a91201ece56274268e35917bda67d67

Aliases

arxiv: 1510.04246 · arxiv_version: 1510.04246v2 · doi: 10.48550/arxiv.1510.04246 · pith_short_12: 7CW6FXF4R7U7 · pith_short_16: 7CW6FXF4R7U7OX4Y · pith_short_8: 7CW6FXF4

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/7CW6FXF4R7U7OX4YW5PQNTJKT5 \
  | 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: f8ade2dcbc8fe9f75f98b75f06cd2a9f6a91201ece56274268e35917bda67d67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b2ad9dab7a08056703ca449b4f513365aa2ecb2e1f0f042182bfc2f9cd8504b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-10-14T19:27:17Z",
    "title_canon_sha256": "ea778fe67fa832d9a89af1bb2d21d6ba977d850abdfb89df4c3be887e351f99f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04246",
    "kind": "arxiv",
    "version": 2
  }
}