Pith Number

pith:AKMXU7LE

pith:2013:AKMXU7LEU7GDUSYWH5JD3QMD76

not attested not anchored not stored refs pending

A new, globally convergent Riemannian conjugate gradient method

Hiroyuki Sato, Toshihiro Iwai

arxiv:1302.0125 v2 · 2013-02-01 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AKMXU7LEU7GDUSYWH5JD3QMD76}

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	2026-05-18T01:12:20.170089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02997a7d64a7cc3a4b163f523dc183ff823684b87ad2ed4932f157c3e09c5785

Aliases

arxiv: 1302.0125 · arxiv_version: 1302.0125v2 · doi: 10.48550/arxiv.1302.0125 · pith_short_12: AKMXU7LEU7GD · pith_short_16: AKMXU7LEU7GDUSYW · pith_short_8: AKMXU7LE

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/AKMXU7LEU7GDUSYWH5JD3QMD76 \
  | 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: 02997a7d64a7cc3a4b163f523dc183ff823684b87ad2ed4932f157c3e09c5785

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3032b26046a8aef97c9071b3b1fec17673981a2bc76e710e6c49d4df9b2a092",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-02-01T10:15:55Z",
    "title_canon_sha256": "e4cc53be7c94af32231af18beb18f3d4dd5c68df093d34906688caae86ff874a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0125",
    "kind": "arxiv",
    "version": 2
  }
}