Pith Number

pith:U5BO7IRT

pith:2017:U5BO7IRTYVN3NB7YLW5AJQQ5HW

not attested not anchored not stored refs pending

Novel reformulations and efficient algorithms for the generalized trust region subproblem

Duan Li, Rujun Jiang

arxiv:1707.08706 v3 · 2017-07-27 · 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{U5BO7IRTYVN3NB7YLW5AJQQ5HW}

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	2026-05-18T00:22:05.897339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a742efa233c55bb687f85dba04c21d3d811b283e0fcc6b2d87fd4b596fd5bf2e

Aliases

arxiv: 1707.08706 · arxiv_version: 1707.08706v3 · doi: 10.48550/arxiv.1707.08706 · pith_short_12: U5BO7IRTYVN3 · pith_short_16: U5BO7IRTYVN3NB7Y · pith_short_8: U5BO7IRT

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/U5BO7IRTYVN3NB7YLW5AJQQ5HW \
  | 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: a742efa233c55bb687f85dba04c21d3d811b283e0fcc6b2d87fd4b596fd5bf2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dec9966c9ca2e39e3fd517a521ce55b64363cc23953832d98d6bbece3111d649",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-07-27T05:01:52Z",
    "title_canon_sha256": "7eac408aed882fb672b3e747c9235ea7dbae7417f230607c1235ef5989e33fa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08706",
    "kind": "arxiv",
    "version": 3
  }
}