Pith Number

pith:AQCATJXI

pith:2016:AQCATJXIQ3F73FFIJBVEW5JTWI

not attested not anchored not stored refs pending

Trust-Region Methods for Sparse Relaxation

Jennifer B. Erway, Lasith Adhikari, Roummel F. Marcia, Shelby Lockhart

arxiv:1602.08813 v1 · 2016-02-29 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AQCATJXIQ3F73FFIJBVEW5JTWI}

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	2026-05-18T01:19:51.899185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

040409a6e886cbfd94a8486a4b7533b206f6d06e296d391feb7df6a113df0a0f

Aliases

arxiv: 1602.08813 · arxiv_version: 1602.08813v1 · doi: 10.48550/arxiv.1602.08813 · pith_short_12: AQCATJXIQ3F7 · pith_short_16: AQCATJXIQ3F73FFI · pith_short_8: AQCATJXI

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/AQCATJXIQ3F73FFIJBVEW5JTWI \
  | 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: 040409a6e886cbfd94a8486a4b7533b206f6d06e296d391feb7df6a113df0a0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4820633a307c0d73ab0cb9a063cb475f1f0795fd1b3f0efd4c2bedd4ac5af0d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-29T03:39:19Z",
    "title_canon_sha256": "e132e69cab9ff93b6b2f60b4bba28c8ff1d5d1d310d2e4ff4f894fc5f10dedfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08813",
    "kind": "arxiv",
    "version": 1
  }
}