Pith Number

pith:7PGIWZDL

pith:2014:7PGIWZDLQ46TTG2JCFTGGHFFE6

not attested not anchored not stored refs pending

Estimating Maximally Probable Constrained Relations by Mathematical Programming

Bjoern Andres, Lizhen Qu

arxiv:1408.0838 v1 · 2014-08-04 · cs.LG · cs.NA · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PGIWZDLQ46TTG2JCFTGGHFFE6}

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	2026-05-18T02:45:50.269547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbcc8b646b873d399b491166631ca527b6750d86989f6fac404c9dc7e34a0c0d

Aliases

arxiv: 1408.0838 · arxiv_version: 1408.0838v1 · doi: 10.48550/arxiv.1408.0838 · pith_short_12: 7PGIWZDLQ46T · pith_short_16: 7PGIWZDLQ46TTG2J · pith_short_8: 7PGIWZDL

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/7PGIWZDLQ46TTG2JCFTGGHFFE6 \
  | 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: fbcc8b646b873d399b491166631ca527b6750d86989f6fac404c9dc7e34a0c0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0964fbe76309bbc0a95296620d58a80508ab871bfe5161ecd087fb51ed59d887",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-08-04T23:30:20Z",
    "title_canon_sha256": "5b722158ff7d991064c3125e992b76ed1b1da2f8988d28d5e6428c30b444463b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0838",
    "kind": "arxiv",
    "version": 1
  }
}