Pith Number

pith:4FDADB22

pith:2017:4FDADB22I76TIWGNEL4MMNDCTU

not attested not anchored not stored refs pending

Convex Geometry of the Generalized Matrix-Fractional Function

James V. Burke, Tim Hoheisel, Yuan Gao

arxiv:1703.01363 v1 · 2017-03-04 · math.OC · cs.LG · 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{4FDADB22I76TIWGNEL4MMNDCTU}

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	2026-05-18T00:49:30.994628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e14601875a47fd3458cd22f8c634629d2821bb2752dc8092daa7994e7304735b

Aliases

arxiv: 1703.01363 · arxiv_version: 1703.01363v1 · doi: 10.48550/arxiv.1703.01363 · pith_short_12: 4FDADB22I76T · pith_short_16: 4FDADB22I76TIWGN · pith_short_8: 4FDADB22

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/4FDADB22I76TIWGNEL4MMNDCTU \
  | 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: e14601875a47fd3458cd22f8c634629d2821bb2752dc8092daa7994e7304735b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "625d94895e53bb71c396f59b1757703e3483105bfbfc81083923c2e306d33f29",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-03-04T00:00:16Z",
    "title_canon_sha256": "a78cebec158deb24f7819d4a97e861701e8987233cf7644934ed8b55b4d6e76e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01363",
    "kind": "arxiv",
    "version": 1
  }
}