Pith Number

pith:YCNK5AQQ

pith:2015:YCNK5AQQQYAHZRZ2MKSK25S5WB

not attested not anchored not stored refs pending

Socially Driven News Recommendation

Lu\'is Torgo, Magdalini Eirinaki, Nuno Moniz

arxiv:1506.01743 v2 · 2015-06-04 · 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{YCNK5AQQQYAHZRZ2MKSK25S5WB}

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	2026-05-18T01:21:40.704986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c09aae821086007cc73a62a4ad765db07af2b890ce26134bb5de3dda04aed968

Aliases

arxiv: 1506.01743 · arxiv_version: 1506.01743v2 · doi: 10.48550/arxiv.1506.01743 · pith_short_12: YCNK5AQQQYAH · pith_short_16: YCNK5AQQQYAHZRZ2 · pith_short_8: YCNK5AQQ

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/YCNK5AQQQYAHZRZ2MKSK25S5WB \
  | 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: c09aae821086007cc73a62a4ad765db07af2b890ce26134bb5de3dda04aed968

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c9a27182bd8755a95f7ae9817100a94be690c0695eeafff13af269386fd1649",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-06-04T22:32:40Z",
    "title_canon_sha256": "2f10be66f6a3e382422d36b8c66a1ec5afd0b3341aed78d31f0fb46557404d16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01743",
    "kind": "arxiv",
    "version": 2
  }
}