Pith Number

pith:I5YAREQN

pith:2018:I5YAREQN5Y7RFBM2OANYIAN3FN

not attested not anchored not stored refs pending

A new alternating direction trust region method based on conic model for solving unconstrained optimization

Chuangyin Dang, Honglan Zhu, Qin Ni

arxiv:1812.01935 v1 · 2018-12-05 · 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{I5YAREQN5Y7RFBM2OANYIAN3FN}

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	2026-05-17T23:59:00.179698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

477008920dee3f12859a701b8401bb2b4a9b0d8953a9a24903c09d38d6b8ff46

Aliases

arxiv: 1812.01935 · arxiv_version: 1812.01935v1 · doi: 10.48550/arxiv.1812.01935 · pith_short_12: I5YAREQN5Y7R · pith_short_16: I5YAREQN5Y7RFBM2 · pith_short_8: I5YAREQN

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/I5YAREQN5Y7RFBM2OANYIAN3FN \
  | 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: 477008920dee3f12859a701b8401bb2b4a9b0d8953a9a24903c09d38d6b8ff46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24ef40ad3c7f43b67a67504677adfbc10500f075e2c35423f7288f467cd3a281",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-12-05T12:01:46Z",
    "title_canon_sha256": "85f61f517982468faecb528667e413718f00f78876d25d174093adf99ad3ad51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01935",
    "kind": "arxiv",
    "version": 1
  }
}