Pith Number

pith:C3UEG2VU

pith:2012:C3UEG2VUO4TLSC7L3FJNXUSFSB

not attested not anchored not stored refs pending

Analyzing Tag Distributions in Folksonomies for Resource Classification

Arkaitz Zubiaga, Raquel Mart\'inez, V\'ictor Fresno

arxiv:1202.5477 v1 · 2012-02-23 · cs.DL · 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{C3UEG2VUO4TLSC7L3FJNXUSFSB}

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	2026-05-18T04:01:37.020152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16e8436ab47726b90bebd952dbd2459068be5ba7e773bf5e41cfd1211c343774

Aliases

arxiv: 1202.5477 · arxiv_version: 1202.5477v1 · doi: 10.48550/arxiv.1202.5477 · pith_short_12: C3UEG2VUO4TL · pith_short_16: C3UEG2VUO4TLSC7L · pith_short_8: C3UEG2VU

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/C3UEG2VUO4TLSC7L3FJNXUSFSB \
  | 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: 16e8436ab47726b90bebd952dbd2459068be5ba7e773bf5e41cfd1211c343774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac48f8ab9f986582c73272d4a6b94db6c911974cfc0a3c50024e76b62528ca86",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2012-02-23T18:36:06Z",
    "title_canon_sha256": "d4641807d46286f3a2251714be178284baea6aea2dc1b6b02fcdbccaba954f12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5477",
    "kind": "arxiv",
    "version": 1
  }
}