Pith Number

pith:FDCQCIUX

pith:2015:FDCQCIUX7UTTURUOXFDF5YG62Q

not attested not anchored not stored refs pending

Multimodal sparse representation learning and applications

H.T. Kung, Miriam Cha, Youngjune Gwon

arxiv:1511.06238 v3 · 2015-11-19 · cs.LG · cs.CV · stat.ML

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

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	2026-05-18T01:19:44.004777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28c5012297fd273a468eb9465ee0ded421d2b5741c8e20741c90ffc5d9f59215

Aliases

arxiv: 1511.06238 · arxiv_version: 1511.06238v3 · doi: 10.48550/arxiv.1511.06238 · pith_short_12: FDCQCIUX7UTT · pith_short_16: FDCQCIUX7UTTURUO · pith_short_8: FDCQCIUX

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/FDCQCIUX7UTTURUOXFDF5YG62Q \
  | 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: 28c5012297fd273a468eb9465ee0ded421d2b5741c8e20741c90ffc5d9f59215

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac3b4a6969777502d024c09afa2ca567cb5ca04e2e442b1f1d5c145f04880fcd",
    "cross_cats_sorted": [
      "cs.CV",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-11-19T16:26:24Z",
    "title_canon_sha256": "e230253fbcfbdfcc364ab6305d6181c4af573008e1d0df3fd601e6c9eac6959a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06238",
    "kind": "arxiv",
    "version": 3
  }
}