Pith Number

pith:WZW6RGDC

pith:2026:WZW6RGDCVRS45EHP5ZZSET64HZ

not attested not anchored not stored refs pending

An arc-search BFGS algorithm for unconstrained nonlinear optimization problems

Yaguang Yang

arxiv:2606.01506 v1 · 2026-06-01 · 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{WZW6RGDCVRS45EHP5ZZSET64HZ}

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	2026-06-02T02:04:35.006827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b66de89862ac65ce90efee73224fdc3e48d04e46c5bc2740a535a0fae68f65a9

Aliases

arxiv: 2606.01506 · arxiv_version: 2606.01506v1 · doi: 10.48550/arxiv.2606.01506 · pith_short_12: WZW6RGDCVRS4 · pith_short_16: WZW6RGDCVRS45EHP · pith_short_8: WZW6RGDC

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/WZW6RGDCVRS45EHP5ZZSET64HZ \
  | 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: b66de89862ac65ce90efee73224fdc3e48d04e46c5bc2740a535a0fae68f65a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32e7cded2dc8241e61a75bfac21b3c4636a4640551867cb40a46149670df4503",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-06-01T00:06:36Z",
    "title_canon_sha256": "90b0a986bc7bb17358ef7d226271dcb82b32c95be854ac6c23029c4b067ddf2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01506",
    "kind": "arxiv",
    "version": 1
  }
}