Pith Number

pith:NPIE6JYB

pith:2021:NPIE6JYBNYDWGWR3APNA32NRMN

not attested not anchored not stored refs pending

Pseudo-Relevance Feedback for Multiple Representation Dense Retrieval

Craig Macdonald, Iadh Ounis, Nicola Tonellotto, Xiao Wang

arxiv:2106.11251 v2 · 2021-06-21 · 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{NPIE6JYBNYDWGWR3APNA32NRMN}

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.

Cited by

1 paper in Pith

LESER: Learning to Expand via Search Engine-feedback Reinforcement in e-Commerce

Receipt and verification

First computed	2026-07-05T02:54:18.761560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bd04f27016e07635a3b03da0de9b1636d386c65948b5f6c8710991a7484ad03

Aliases

arxiv: 2106.11251 · arxiv_version: 2106.11251v2 · doi: 10.48550/arxiv.2106.11251 · pith_short_12: NPIE6JYBNYDW · pith_short_16: NPIE6JYBNYDWGWR3 · pith_short_8: NPIE6JYB

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/NPIE6JYBNYDWGWR3APNA32NRMN \
  | 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: 6bd04f27016e07635a3b03da0de9b1636d386c65948b5f6c8710991a7484ad03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d5f545d7e0e5972f665f79b67988d42ce35c7072c059a7a0eebfae35649a10d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-06-21T16:49:03Z",
    "title_canon_sha256": "d5b2f7398cab7cd169421d25316a1be15178891f9aea5048c4fba996f106b352"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.11251",
    "kind": "arxiv",
    "version": 2
  }
}