Pith Number

pith:IOPCLWPD

pith:2018:IOPCLWPDP77CRITZD7ZGMEN37W

not attested not anchored not stored refs pending

Analogy Search Engine: Finding Analogies in Cross-Domain Research Papers

Jieli Zhou, Yi Xu, Yuntao Zhou

arxiv:1812.06974 v1 · 2018-12-17 · cs.IR · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IOPCLWPDP77CRITZD7ZGMEN37W}

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	2026-05-17T23:58:08.262330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

439e25d9e37ffe28a2791ff26611bbfdbf9c53747a3899b7745267e1998686c8

Aliases

arxiv: 1812.06974 · arxiv_version: 1812.06974v1 · doi: 10.48550/arxiv.1812.06974 · pith_short_12: IOPCLWPDP77C · pith_short_16: IOPCLWPDP77CRITZ · pith_short_8: IOPCLWPD

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/IOPCLWPDP77CRITZD7ZGMEN37W \
  | 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: 439e25d9e37ffe28a2791ff26611bbfdbf9c53747a3899b7745267e1998686c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87ffdfce919960173de9f9a518ba1db756d1c4b8152ec864f57d3a7014854149",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-12-17T16:15:13Z",
    "title_canon_sha256": "cea4c0ac091d14e07a36667679fa28f5c5ab6c394524a67cd5c7f6965dcbb8b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06974",
    "kind": "arxiv",
    "version": 1
  }
}