Pith Number

pith:BDCXSITX

pith:2015:BDCXSITXXREH67DYHUYW2VYBBK

not attested not anchored not stored refs pending

A Case Based Reasoning Approach for Answer Reranking in Question Answering

Karl-Heinz Weis

arxiv:1503.02917 v1 · 2015-03-10 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BDCXSITXXREH67DYHUYW2VYBBK}

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	2026-05-18T02:25:12.765552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08c5792277bc487f7c783d316d57010ab51534ef905d57682f7131435f52fe60

Aliases

arxiv: 1503.02917 · arxiv_version: 1503.02917v1 · doi: 10.48550/arxiv.1503.02917 · pith_short_12: BDCXSITXXREH · pith_short_16: BDCXSITXXREH67DY · pith_short_8: BDCXSITX

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/BDCXSITXXREH67DYHUYW2VYBBK \
  | 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: 08c5792277bc487f7c783d316d57010ab51534ef905d57682f7131435f52fe60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a879e88c19cbd964265039da40e3a7697ba9ac76d3d64d8c65537a185713628d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-03-10T14:10:47Z",
    "title_canon_sha256": "5dd8f75ea487e96e0a636b5d5aaaa76f1d73b3cbbf52f6a82d5a987604421b6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02917",
    "kind": "arxiv",
    "version": 1
  }
}