Pith Number

pith:MCDAWYTV

pith:2016:MCDAWYTV5WZL7ODJDWRD2TITSF

not attested not anchored not stored refs pending

Quasi-Newton Methods: Superlinear Convergence Without Line Searches for Self-Concordant Functions

Donald Goldfarb, Wenbo Gao

arxiv:1612.06965 v3 · 2016-12-21 · 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{MCDAWYTV5WZL7ODJDWRD2TITSF}

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	2026-05-18T00:08:29.714541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60860b6275edb2bfb8691da23d4d13917adfaaa44414b3c852171b0fe27b421d

Aliases

arxiv: 1612.06965 · arxiv_version: 1612.06965v3 · doi: 10.48550/arxiv.1612.06965 · pith_short_12: MCDAWYTV5WZL · pith_short_16: MCDAWYTV5WZL7ODJ · pith_short_8: MCDAWYTV

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/MCDAWYTV5WZL7ODJDWRD2TITSF \
  | 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: 60860b6275edb2bfb8691da23d4d13917adfaaa44414b3c852171b0fe27b421d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6c8956dc454ad1a02175ed00896a6d3a45115d118bac017afed1bc91f5c7fde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-12-21T03:37:03Z",
    "title_canon_sha256": "d0f9b7dcd49c52f8cd935e836e5ec606d2a65e58900c3410e6a4699a4da7c38c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.06965",
    "kind": "arxiv",
    "version": 3
  }
}