Pith Number

pith:PSEWPCJY

pith:2019:PSEWPCJYZXFPNUWQHXJ3AJVSM6

not attested not anchored not stored refs pending

A new simple and effective measure for bag-of-word inter-document similarity measurement

Gholamreza Haffari, Kai Ming Ting, Sunil Aryal, Takashi Washio

arxiv:1902.03402 v1 · 2019-02-09 · 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{PSEWPCJYZXFPNUWQHXJ3AJVSM6}

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	2026-05-17T23:54:20.965263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c89678938cdcaf6d2d03dd3b026b267839953791e18563ea3211970e59f4885

Aliases

arxiv: 1902.03402 · arxiv_version: 1902.03402v1 · doi: 10.48550/arxiv.1902.03402 · pith_short_12: PSEWPCJYZXFP · pith_short_16: PSEWPCJYZXFPNUWQ · pith_short_8: PSEWPCJY

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/PSEWPCJYZXFPNUWQHXJ3AJVSM6 \
  | 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: 7c89678938cdcaf6d2d03dd3b026b267839953791e18563ea3211970e59f4885

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0677a66a7e11aa7eeb3593c3cb6442a7196c4ebef68815b34f26f6a3a5e411e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-02-09T10:32:45Z",
    "title_canon_sha256": "65ba0186787f77ae5d249a804819eb00704255939804ff921e78ed0ea3da9133"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03402",
    "kind": "arxiv",
    "version": 1
  }
}