Pith Number

pith:EDPCIAKQ

pith:2011:EDPCIAKQ3WK2RR5WQZDLQFG4GW

not attested not anchored not stored refs pending

Query Expansion: Term Selection using the EWC Semantic Relatedness Measure

Vitaly Klyuev, Yannis Haralambous

arxiv:1108.4052 v1 · 2011-08-19 · 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{EDPCIAKQ3WK2RR5WQZDLQFG4GW}

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	2026-05-18T04:14:56.284468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20de240150dd95a8c7b68646b814dc358e37ee46e1205d28bdfd99e1b6a95d9a

Aliases

arxiv: 1108.4052 · arxiv_version: 1108.4052v1 · doi: 10.48550/arxiv.1108.4052 · pith_short_12: EDPCIAKQ3WK2 · pith_short_16: EDPCIAKQ3WK2RR5W · pith_short_8: EDPCIAKQ

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/EDPCIAKQ3WK2RR5WQZDLQFG4GW \
  | 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: 20de240150dd95a8c7b68646b814dc358e37ee46e1205d28bdfd99e1b6a95d9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c7b859b496cb4a522aeb854e130c794abb3751fa586ad734e36045d0ad8a80d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2011-08-19T21:41:29Z",
    "title_canon_sha256": "1cbe2962ed3d437d3dab143f80a28412f4321c50c809a968350d17d3d45e65ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4052",
    "kind": "arxiv",
    "version": 1
  }
}