Pith Number

pith:47QG4QOU

pith:2013:47QG4QOUKZ4DOIOKOWTZZ5Q3AN

not attested not anchored not stored refs pending

Blind Men and the Elephant: Detecting Evolving Groups In Social News

Hazhir Rahmandad, Roja Bandari, Vwani P. Roychowdhury

arxiv:1304.1567 v2 · 2013-04-04 · 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{47QG4QOUKZ4DOIOKOWTZZ5Q3AN}

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	2026-05-18T03:08:14.082421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7e06e41d456783721ca75a79cf61b036dd391eacb8a9b148ae962f8b701c6fb

Aliases

arxiv: 1304.1567 · arxiv_version: 1304.1567v2 · doi: 10.48550/arxiv.1304.1567 · pith_short_12: 47QG4QOUKZ4D · pith_short_16: 47QG4QOUKZ4DOIOK · pith_short_8: 47QG4QOU

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/47QG4QOUKZ4DOIOKOWTZZ5Q3AN \
  | 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: e7e06e41d456783721ca75a79cf61b036dd391eacb8a9b148ae962f8b701c6fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dbcb8b749a3e9000b495294f37a6b26674b3c1dfadd11edf73be924328c182c",
    "cross_cats_sorted": [
      "cs.IR",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2013-04-04T22:05:20Z",
    "title_canon_sha256": "623ab2ddc6a4fcd5136d1ac06d55bb3e1e97d15dd0a3300142e8de98a31bb0c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1567",
    "kind": "arxiv",
    "version": 2
  }
}