Pith Number

pith:6LPUSM7E

pith:2012:6LPUSM7EO2DEVV6AQKPZJUQ3QX

not attested not anchored not stored refs pending

Dealing with Sparse Document and Topic Representations: Lab Report for CHiC 2012

Andias Wira-Alam, Daniel Hienert, Frank Sawitzki, Philipp Schaer, Thomas L\"uke

arxiv:1208.3952 v1 · 2012-08-20 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6LPUSM7EO2DEVV6AQKPZJUQ3QX}

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	2026-05-18T03:48:25.657434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2df4933e476864ad7c0829f94d21b85ced37aeeca199612fc198f9a8169b147

Aliases

arxiv: 1208.3952 · arxiv_version: 1208.3952v1 · doi: 10.48550/arxiv.1208.3952 · pith_short_12: 6LPUSM7EO2DE · pith_short_16: 6LPUSM7EO2DEVV6A · pith_short_8: 6LPUSM7E

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/6LPUSM7EO2DEVV6AQKPZJUQ3QX \
  | 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: f2df4933e476864ad7c0829f94d21b85ced37aeeca199612fc198f9a8169b147

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39982177ec107e62c93b3eaa6bd68aaf9b7b31ec102450465c5e519f65e62479",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2012-08-20T09:18:37Z",
    "title_canon_sha256": "29a858bb3f348e3923106fee3f10728e7c1260c9efcb95c4f09bd2ca23e40ef5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3952",
    "kind": "arxiv",
    "version": 1
  }
}