Pith Number

pith:LJEHDPGK

pith:2014:LJEHDPGKMPMU4Y2PBBZWJLS4WQ

not attested not anchored not stored refs pending

Improving Image Clustering using Sparse Text and the Wisdom of the Crowds

Allon G. Percus, Anna Ma, Arjuna Flenner, Deanna Needell

arxiv:1405.2102 v1 · 2014-05-08 · cs.LG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJEHDPGKMPMU4Y2PBBZWJLS4WQ}

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	2026-05-18T02:52:13.686899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a4871bcca63d94e634f087364ae5cb43f1bbd1e29c046af0decb6e1e211ef6c

Aliases

arxiv: 1405.2102 · arxiv_version: 1405.2102v1 · doi: 10.48550/arxiv.1405.2102 · pith_short_12: LJEHDPGKMPMU · pith_short_16: LJEHDPGKMPMU4Y2P · pith_short_8: LJEHDPGK

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/LJEHDPGKMPMU4Y2PBBZWJLS4WQ \
  | 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: 5a4871bcca63d94e634f087364ae5cb43f1bbd1e29c046af0decb6e1e211ef6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c75c2df5a7b2b6ecc19b2251a41c1a20f793c054c8a0bc8dbb1b801720ebc59c",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-05-08T21:29:04Z",
    "title_canon_sha256": "7fc9a4278627fb1dde8ad53a243282c41a4e75c8ee4c2a543aaaa1de68821e3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2102",
    "kind": "arxiv",
    "version": 1
  }
}