Pith Number

pith:HJZIT2GB

pith:2012:HJZIT2GBZ526J7MCX6K2N5NPNW

not attested not anchored not stored refs pending

Measuring Similarity in Large-scale Folksonomies

Emilio Ferrara, Giovanni Quattrone, Licia Capra, Pasquale De Meo

arxiv:1207.6037 v1 · 2012-07-25 · cs.IR · cs.SI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJZIT2GBZ526J7MCX6K2N5NPNW}

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	2026-05-18T03:50:09.642143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a7289e8c1cf75e4fd82bf95a6f5af6d96f66cf618b05fa850da6436e1571916

Aliases

arxiv: 1207.6037 · arxiv_version: 1207.6037v1 · doi: 10.48550/arxiv.1207.6037 · pith_short_12: HJZIT2GBZ526 · pith_short_16: HJZIT2GBZ526J7MC · pith_short_8: HJZIT2GB

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/HJZIT2GBZ526J7MCX6K2N5NPNW \
  | 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: 3a7289e8c1cf75e4fd82bf95a6f5af6d96f66cf618b05fa850da6436e1571916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a86fce3184f809271df98c97e64e7d35fdc1633aa5b2fde9872aa9152c09eb11",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2012-07-25T16:01:22Z",
    "title_canon_sha256": "4ed171300bc52e487378203c0c69cb701ce1ce6bf3e62d6ce2b493cc1e093648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6037",
    "kind": "arxiv",
    "version": 1
  }
}