pith. sign in
Pith Number

pith:3HBIDOC3

pith:2018:3HBIDOC35MRJM665TIHTD267GG
not attested not anchored not stored refs pending

Sifaka: Text Mining Above a Search API

Cameron VandenBerg, Jamie Callan

arxiv:1810.02907 v1 · 2018-10-05 · cs.IR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3HBIDOC35MRJM665TIHTD267GG}

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 2026-05-18T00:03:59.922525Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d9c281b85beb22967bdd9a0f31ebdf31b2518b8b192c4561a53133151cb8b2b1

Aliases

arxiv: 1810.02907 · arxiv_version: 1810.02907v1 · doi: 10.48550/arxiv.1810.02907 · pith_short_12: 3HBIDOC35MRJ · pith_short_16: 3HBIDOC35MRJM665 · pith_short_8: 3HBIDOC3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3HBIDOC35MRJM665TIHTD267GG \
  | 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: d9c281b85beb22967bdd9a0f31ebdf31b2518b8b192c4561a53133151cb8b2b1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9c8a5ab3921f2195284d75fd339c66870b3c054c9f1076c95ddf49d4336e4cbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-10-05T23:24:19Z",
    "title_canon_sha256": "71734c142c15b89ee8ca4802274fe6a86e5684694fe67632f35ed2a4d60a2600"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02907",
    "kind": "arxiv",
    "version": 1
  }
}