Pith Number

pith:5QCMRU4Z

pith:2011:5QCMRU4ZYTN7PUQ6QLSQ655WSS

not attested not anchored not stored refs pending

Interest-Based vs. Social Person-Recommenders in Social Networking Platforms

Andreas Kleemann, Georg Groh, Michele Brocco

arxiv:1107.5654 v1 · 2011-07-28 · cs.SI · cs.CY · 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{5QCMRU4ZYTN7PUQ6QLSQ655WSS}

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	2026-05-18T04:16:41.613639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec04c8d399c4dbf7d21e82e50f77b6948add06feeea5440f65837b4f1c575bdc

Aliases

arxiv: 1107.5654 · arxiv_version: 1107.5654v1 · doi: 10.48550/arxiv.1107.5654 · pith_short_12: 5QCMRU4ZYTN7 · pith_short_16: 5QCMRU4ZYTN7PUQ6 · pith_short_8: 5QCMRU4Z

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/5QCMRU4ZYTN7PUQ6QLSQ655WSS \
  | 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: ec04c8d399c4dbf7d21e82e50f77b6948add06feeea5440f65837b4f1c575bdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "347474bb1c7c5c0b335e75bd024d9ab967fed9e15dbf679fd4896499b79ea344",
    "cross_cats_sorted": [
      "cs.CY",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2011-07-28T09:09:37Z",
    "title_canon_sha256": "87703ce2810d6de9754e9f98f06b5f92289a69bb1380039e3b982abbbd48e925"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5654",
    "kind": "arxiv",
    "version": 1
  }
}