Pith Number

pith:5JLIPMFI

pith:2018:5JLIPMFIOE73K4ZGGPGT62ZAXB

not attested not anchored not stored refs pending

Sketch-a-Classifier: Sketch-based Photo Classifier Generation

Conghui Hu, Da Li, Tao Xiang, Timothy M. Hospedales, Yi-Zhe Song

arxiv:1804.11182 v1 · 2018-04-30 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5JLIPMFIOE73K4ZGGPGT62ZAXB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:17:14.386920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea5687b0a8713fb5732633cd3f6b20b855cb0952d2ff2e0b7054dfa4be4a3d82

Aliases

arxiv: 1804.11182 · arxiv_version: 1804.11182v1 · doi: 10.48550/arxiv.1804.11182 · pith_short_12: 5JLIPMFIOE73 · pith_short_16: 5JLIPMFIOE73K4ZG · pith_short_8: 5JLIPMFI

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/5JLIPMFIOE73K4ZGGPGT62ZAXB \
  | 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: ea5687b0a8713fb5732633cd3f6b20b855cb0952d2ff2e0b7054dfa4be4a3d82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ef7e8cde8766d4b575db5f4841b976c95723ff1f1fbdad4e84bc6a15b64f864",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-04-30T13:38:31Z",
    "title_canon_sha256": "ceeef83e82d14072b62da215c86d8cd4ffb5515791184ef40abc04878e473de1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11182",
    "kind": "arxiv",
    "version": 1
  }
}