Pith Number

pith:WEMO2UW6

pith:2018:WEMO2UW6XJPJ3E7LSWUR4NJ5QE

not attested not anchored not stored refs pending

Enriching Article Recommendation with Phrase Awareness

Chia-Wei Chen, Lun-Wei Ku, Sheng-Chuan Chou

arxiv:1812.01808 v2 · 2018-12-05 · 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{WEMO2UW6XJPJ3E7LSWUR4NJ5QE}

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	2026-05-17T23:58:30.041157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b118ed52deba5e9d93eb95a91e353d811e2245263b808e98f722d2df63f7b562

Aliases

arxiv: 1812.01808 · arxiv_version: 1812.01808v2 · doi: 10.48550/arxiv.1812.01808 · pith_short_12: WEMO2UW6XJPJ · pith_short_16: WEMO2UW6XJPJ3E7L · pith_short_8: WEMO2UW6

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/WEMO2UW6XJPJ3E7LSWUR4NJ5QE \
  | 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: b118ed52deba5e9d93eb95a91e353d811e2245263b808e98f722d2df63f7b562

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63ab4d5fb2bef1f497f7e265eddacb808ab0c4ecf7ee73c44e90367c23ef1c09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-12-05T03:57:35Z",
    "title_canon_sha256": "f7385d0477363f2cacb3cdc6a4381c61a38fa8f18154c80aa9e89cd8c8a98ede"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01808",
    "kind": "arxiv",
    "version": 2
  }
}