Pith Number

pith:5S5B3AFD

pith:2012:5S5B3AFDRKZPA5SJFDEK5PT4PB

not attested not anchored not stored refs pending

Network-based information filtering algorithms: ranking and recommendation

Matus Medo

arxiv:1208.4552 v1 · 2012-08-22 · cs.SI · cs.IR · physics.data-an · 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{5S5B3AFDRKZPA5SJFDEK5PT4PB}

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	2026-05-18T03:48:14.051481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecba1d80a38ab2f0764928c8aebe7c7872aaffd085580fd59843e80e10ffc357

Aliases

arxiv: 1208.4552 · arxiv_version: 1208.4552v1 · doi: 10.48550/arxiv.1208.4552 · pith_short_12: 5S5B3AFDRKZP · pith_short_16: 5S5B3AFDRKZPA5SJ · pith_short_8: 5S5B3AFD

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/5S5B3AFDRKZPA5SJFDEK5PT4PB \
  | 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: ecba1d80a38ab2f0764928c8aebe7c7872aaffd085580fd59843e80e10ffc357

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "026587965de786b58556e7667a18ede5bc7101392786aa13193c27345297a4af",
    "cross_cats_sorted": [
      "cs.IR",
      "physics.data-an",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-08-22T16:43:17Z",
    "title_canon_sha256": "7ceba6ba26ae9dd84df271564739901e9db40834b356dc26eb211c16732342fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4552",
    "kind": "arxiv",
    "version": 1
  }
}