Pith Number

pith:E4U272PG

pith:2022:E4U272PGCH6KJHRXRXP2QWBDCM

not attested not anchored not stored refs pending

Opal: Multimodal Image Generation for News Illustration

Han Qiao, Lydia Chilton, Vivian Liu

arxiv:2204.09007 v3 · 2022-04-19 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E4U272PGCH6KJHRXRXP2QWBDCM}

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	2026-07-05T04:49:11.530869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2729afe9e611fca49e378ddfa85823132ddfe98ba2b5a167a8b91c100fbd9b9b

Aliases

arxiv: 2204.09007 · arxiv_version: 2204.09007v3 · doi: 10.48550/arxiv.2204.09007 · pith_short_12: E4U272PGCH6K · pith_short_16: E4U272PGCH6KJHRX · pith_short_8: E4U272PG

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/E4U272PGCH6KJHRXRXP2QWBDCM \
  | 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: 2729afe9e611fca49e378ddfa85823132ddfe98ba2b5a167a8b91c100fbd9b9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afeb4ec67ed5319d06209b998e564014f753f49932a38df669cccb2f2be48f70",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2022-04-19T17:05:08Z",
    "title_canon_sha256": "6d74421e232bef365f44b75ac19995c39a40d9d170b596251a7d6136258ca6c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.09007",
    "kind": "arxiv",
    "version": 3
  }
}