Pith Number

pith:G7SXWQTG

pith:2017:G7SXWQTGJXL2IIU5T45VLGR3SO

not attested not anchored not stored refs pending

BFGS convergence to nonsmooth minimizers of convex functions

Adrian Lewis, Jiayi Guo

arxiv:1703.06690 v1 · 2017-03-20 · 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{G7SXWQTGJXL2IIU5T45VLGR3SO}

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	2026-05-18T00:48:22.023063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37e57b42664dd7a4229d9f3b559a3b938411fe84349d336830a790d726cec1c7

Aliases

arxiv: 1703.06690 · arxiv_version: 1703.06690v1 · doi: 10.48550/arxiv.1703.06690 · pith_short_12: G7SXWQTGJXL2 · pith_short_16: G7SXWQTGJXL2IIU5 · pith_short_8: G7SXWQTG

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/G7SXWQTGJXL2IIU5T45VLGR3SO \
  | 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: 37e57b42664dd7a4229d9f3b559a3b938411fe84349d336830a790d726cec1c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac94188f76999c5fcacfff88b4d36d20443de829f973cbd6a6265f3fa35a5913",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-03-20T11:38:06Z",
    "title_canon_sha256": "563e8d1b14d4cbd3cccfde0fe3a71aec5eb53dcf94e03a2b4667eafdf67210d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06690",
    "kind": "arxiv",
    "version": 1
  }
}