Pith Number

pith:RO2TRWJV

pith:2015:RO2TRWJV3PI3RO2J6CHLP2QAYD

not attested not anchored not stored refs pending

On solving large-scale limited-memory quasi-Newton equations

Jennifer B. Erway, Roummel F. Marcia

arxiv:1510.06378 v3 · 2015-10-21 · 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{RO2TRWJV3PI3RO2J6CHLP2QAYD}

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	2026-05-18T01:00:46.167390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bb538d935dbd1b8bb49f08eb7ea00c0fd9fd38ab7b505291e98d0015dd52c5e

Aliases

arxiv: 1510.06378 · arxiv_version: 1510.06378v3 · doi: 10.48550/arxiv.1510.06378 · pith_short_12: RO2TRWJV3PI3 · pith_short_16: RO2TRWJV3PI3RO2J · pith_short_8: RO2TRWJV

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/RO2TRWJV3PI3RO2J6CHLP2QAYD \
  | 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: 8bb538d935dbd1b8bb49f08eb7ea00c0fd9fd38ab7b505291e98d0015dd52c5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fddbd8b9b1fdaf8c7e8c9896a2b670648ca52b4c4db7262b12d9892e67dd87b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-10-21T19:20:40Z",
    "title_canon_sha256": "3f812ac4da1454ec36d80494385e4b3874d9e398dda289b02923077d7becb554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06378",
    "kind": "arxiv",
    "version": 3
  }
}