Pith Number

pith:QL25Q3A6

pith:2019:QL25Q3A64VOAAYU45FHRUNLSRE

not attested not anchored not stored refs pending

Reducing Popularity Bias in Recommendation Over Time

Himan Abdollahpouri, Robin Burke

arxiv:1906.11711 v1 · 2019-06-27 · 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{QL25Q3A64VOAAYU45FHRUNLSRE}

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	2026-05-17T23:42:04.032851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82f5d86c1ee55c00629ce94f1a35728909c3c8e4e07cfdc62a51c7171f608620

Aliases

arxiv: 1906.11711 · arxiv_version: 1906.11711v1 · doi: 10.48550/arxiv.1906.11711 · pith_short_12: QL25Q3A64VOA · pith_short_16: QL25Q3A64VOAAYU4 · pith_short_8: QL25Q3A6

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/QL25Q3A64VOAAYU45FHRUNLSRE \
  | 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: 82f5d86c1ee55c00629ce94f1a35728909c3c8e4e07cfdc62a51c7171f608620

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52855af74979bdd05cc2e8ce666a8928d17312c29946e7605e62502478a3705c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-06-27T14:59:23Z",
    "title_canon_sha256": "5e7f52f1aed49df045a881e4c6edd0e4077c3a679ab2638bdfe0eab17cc77b6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11711",
    "kind": "arxiv",
    "version": 1
  }
}