Pith Number

pith:DBO6DTIT

pith:2026:DBO6DTITPRZVPSDNL6CXKMVNWU

not attested not anchored not stored refs pending

Composition as Direction: An Active-Set Ray-Based Model for Sparse High-Dimensional Compositional Data

Jyotishka Datta, Michael R Schwob

arxiv:2606.28738 v1 · 2026-06-27 · stat.ME · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBO6DTITPRZVPSDNL6CXKMVNWU}

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	2026-06-30T01:16:49.878239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

185de1cd137c7357c86d5f857532adb505bbc529faa2925b4bbc71fb0ec3c18d

Aliases

arxiv: 2606.28738 · arxiv_version: 2606.28738v1 · doi: 10.48550/arxiv.2606.28738 · pith_short_12: DBO6DTITPRZV · pith_short_16: DBO6DTITPRZVPSDN · pith_short_8: DBO6DTIT

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/DBO6DTITPRZVPSDNL6CXKMVNWU \
  | 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: 185de1cd137c7357c86d5f857532adb505bbc529faa2925b4bbc71fb0ec3c18d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9dea1bf43b890b04e9a3b40251ed7d8958f0c37f51a08dd2683c93b5d92adcc",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-06-27T05:21:35Z",
    "title_canon_sha256": "4d312ff3cb952b5e9d68179a79219f85edd3b506c684fad600bc24461708bb1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28738",
    "kind": "arxiv",
    "version": 1
  }
}