Pith Number

pith:I6MLQZ4N

pith:2015:I6MLQZ4NN4TQCBNN4AX2KQFUFE

not attested not anchored not stored refs pending

Hierarchical Dirichlet process for tracking complex topical structure evolution and its application to autism research literature

Adham Beykikhoshk, Dinh Phung, Ognjen Arandjelovic, Svetha Venkatesh

arxiv:1502.02233 v1 · 2015-02-08 · cs.IR · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I6MLQZ4NN4TQCBNN4AX2KQFUFE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:27:43.208853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4798b8678d6f270105ade02fa540b42928e70b9d3e54fcdec4cc590e06695d3f

Aliases

arxiv: 1502.02233 · arxiv_version: 1502.02233v1 · doi: 10.48550/arxiv.1502.02233 · pith_short_12: I6MLQZ4NN4TQ · pith_short_16: I6MLQZ4NN4TQCBNN · pith_short_8: I6MLQZ4N

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/I6MLQZ4NN4TQCBNN4AX2KQFUFE \
  | 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: 4798b8678d6f270105ade02fa540b42928e70b9d3e54fcdec4cc590e06695d3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab6848dc106d35bb3745cce21ec22ecd010f79c6cf0329643668f914fb8354d3",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-02-08T10:25:20Z",
    "title_canon_sha256": "0892281c3bb246c51f4f191835276b6ff3fe409f294a0d86633df805d74a966f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02233",
    "kind": "arxiv",
    "version": 1
  }
}