Pith Number

pith:ASODF6FV

pith:2018:ASODF6FVSCTA7MVU4M2H54JECK

not attested not anchored not stored refs pending

NPRF: A Neural Pseudo Relevance Feedback Framework for Ad-hoc Information Retrieval

Andrew Yates, Ben He, Canjia Li, Jungang Xu, Kai Hui, Le Sun, Le Wang, Yingfei Sun

arxiv:1810.12936 v1 · 2018-10-30 · cs.IR · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ASODF6FVSCTA7MVU4M2H54JECK}

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	2026-05-18T00:01:52.615196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

049c32f8b590a60fb2b4e3347ef12412a5e04a039e3201654e1b17cd2bffde11

Aliases

arxiv: 1810.12936 · arxiv_version: 1810.12936v1 · doi: 10.48550/arxiv.1810.12936 · pith_short_12: ASODF6FVSCTA · pith_short_16: ASODF6FVSCTA7MVU · pith_short_8: ASODF6FV

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/ASODF6FVSCTA7MVU4M2H54JECK \
  | 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: 049c32f8b590a60fb2b4e3347ef12412a5e04a039e3201654e1b17cd2bffde11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "143327dddeec89f803e46bd5e482cd2c650b8614acfd6bdb12c24944fba00a3c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-10-30T18:03:12Z",
    "title_canon_sha256": "d91b96fd005e31d4a697f61f2b3616dd5f488fe90495b23bac28401ae35656a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12936",
    "kind": "arxiv",
    "version": 1
  }
}