Pith Number

pith:MNWI62NT

pith:2013:MNWI62NTLARRQHDBH2RU3JWYD2

not attested not anchored not stored refs pending

From Amateurs to Connoisseurs: Modeling the Evolution of User Expertise through Online Reviews

Julian McAuley, Jure Leskovec

arxiv:1303.4402 v1 · 2013-03-18 · cs.SI · cs.IR · physics.soc-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MNWI62NTLARRQHDBH2RU3JWYD2}

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	2026-05-18T03:30:27.298380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

636c8f69b35823181c613ea34da6d81e8aaf34811273037d768129fc4be7081b

Aliases

arxiv: 1303.4402 · arxiv_version: 1303.4402v1 · doi: 10.48550/arxiv.1303.4402 · pith_short_12: MNWI62NTLARR · pith_short_16: MNWI62NTLARRQHDB · pith_short_8: MNWI62NT

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/MNWI62NTLARRQHDBH2RU3JWYD2 \
  | 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: 636c8f69b35823181c613ea34da6d81e8aaf34811273037d768129fc4be7081b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65d8c315479b6db5c6edbb818816c99c4688d6a46535366340af7efc551cc028",
    "cross_cats_sorted": [
      "cs.IR",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2013-03-18T20:01:19Z",
    "title_canon_sha256": "1bd39302d6fa0bf0500301e83e28e3b69ba989f8f11867a6822f221ce4a03dad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4402",
    "kind": "arxiv",
    "version": 1
  }
}