Pith Number

pith:Q642E7MT

pith:2021:Q642E7MTN4ZQ6GHUTZK46BQX2N

not attested not anchored not stored refs pending

RLIRank: Learning to Rank with Reinforcement Learning for Dynamic Search

Eugene Agichtein, Jianghong Zhou

arxiv:2105.10124 v1 · 2021-05-21 · 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{Q642E7MTN4ZQ6GHUTZK46BQX2N}

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	2026-07-05T02:42:07.728406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87b9a27d936f330f18f49e55cf0617d36a0d1d0266fd2ca402f112acf985bee7

Aliases

arxiv: 2105.10124 · arxiv_version: 2105.10124v1 · doi: 10.48550/arxiv.2105.10124 · pith_short_12: Q642E7MTN4ZQ · pith_short_16: Q642E7MTN4ZQ6GHU · pith_short_8: Q642E7MT

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/Q642E7MTN4ZQ6GHUTZK46BQX2N \
  | 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: 87b9a27d936f330f18f49e55cf0617d36a0d1d0266fd2ca402f112acf985bee7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ba033196043ba8d5893f0b0627d80ad8cedffc272b1feaf973192500476793c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-05-21T04:30:17Z",
    "title_canon_sha256": "665103b5f06a63b7ab36b132558b89cc991f8ee28b901aca770c189b6c979bdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.10124",
    "kind": "arxiv",
    "version": 1
  }
}