Pith Number

pith:VCGJMCLE

pith:2011:VCGJMCLE7UAFRSU3ARCMUYQEVK

not attested not anchored not stored refs pending

Using Context to Improve the Evaluation of Information Retrieval Systems

Abdelkrim Bouramoul, Bich-Lien Doan, Mohamed-Khireddine Kholladi

arxiv:1105.6213 v1 · 2011-05-31 · 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{VCGJMCLE7UAFRSU3ARCMUYQEVK}

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	2026-05-18T04:20:59.913649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a88c960964fd0058ca9b0444ca6204aa8cdb751678fe23ae9e09eeb1ffd777d0

Aliases

arxiv: 1105.6213 · arxiv_version: 1105.6213v1 · doi: 10.48550/arxiv.1105.6213 · pith_short_12: VCGJMCLE7UAF · pith_short_16: VCGJMCLE7UAFRSU3 · pith_short_8: VCGJMCLE

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/VCGJMCLE7UAFRSU3ARCMUYQEVK \
  | 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: a88c960964fd0058ca9b0444ca6204aa8cdb751678fe23ae9e09eeb1ffd777d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f5cd40e65688bac96c50dc9f96aa6cb158e86627812c5511834a374b034dac5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2011-05-31T09:19:16Z",
    "title_canon_sha256": "dbf3362c14ce4a83da48034481b79d849dadaf59ee231739aa3959a308fd84e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.6213",
    "kind": "arxiv",
    "version": 1
  }
}