Pith Number

pith:VXGSL2BW

pith:2011:VXGSL2BWQ76M4R4YVFTEWEIIC3

not attested not anchored not stored refs pending

A proximal point algorithm for sequential feature extraction applications

Kim-Chuan Toh, Stephen Vavasis, Xuan Vinh Doan

arxiv:1108.0986 v1 · 2011-08-04 · 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{VXGSL2BWQ76M4R4YVFTEWEIIC3}

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	2026-05-18T04:16:13.261434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adcd25e83687fcce4798a9664b110816fda8d96455d765cb34ebc540f81adc34

Aliases

arxiv: 1108.0986 · arxiv_version: 1108.0986v1 · doi: 10.48550/arxiv.1108.0986 · pith_short_12: VXGSL2BWQ76M · pith_short_16: VXGSL2BWQ76M4R4Y · pith_short_8: VXGSL2BW

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/VXGSL2BWQ76M4R4YVFTEWEIIC3 \
  | 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: adcd25e83687fcce4798a9664b110816fda8d96455d765cb34ebc540f81adc34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6678d47d361d9e4191bbfc87be3bded83805ee7f9d42ab21bfd945893da2689a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-08-04T02:56:09Z",
    "title_canon_sha256": "920cdb77753be7947aa1736b879452dcdfa8a1c88c53761f0e170b009ee0bcca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0986",
    "kind": "arxiv",
    "version": 1
  }
}