Pith Number

pith:PEF2TKYA

pith:2013:PEF2TKYADGVFTL6YDEUXEYIVDM

not attested not anchored not stored refs pending

Situation-Aware Approach to Improve Context-based Recommender System

Djallel Bouneffouf

arxiv:1303.0481 v2 · 2013-03-03 · 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{PEF2TKYADGVFTL6YDEUXEYIVDM}

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	2026-05-18T02:55:18.584350Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

790ba9ab0019aa59afd819297261151b2808a7c02b5a7254e401d4cc36b9d95d

Aliases

arxiv: 1303.0481 · arxiv_version: 1303.0481v2 · doi: 10.48550/arxiv.1303.0481 · pith_short_12: PEF2TKYADGVF · pith_short_16: PEF2TKYADGVFTL6Y · pith_short_8: PEF2TKYA

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/PEF2TKYADGVFTL6YDEUXEYIVDM \
  | 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: 790ba9ab0019aa59afd819297261151b2808a7c02b5a7254e401d4cc36b9d95d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67560651b0c156ddc2856bd97e7a7c4ea3bdab6f9c7cf8787f17c715eef9199e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-03-03T09:32:44Z",
    "title_canon_sha256": "2c4011df385e400ccdf6d48c8d4268d228b61afd602cadbce08712d138a498b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0481",
    "kind": "arxiv",
    "version": 2
  }
}