Pith Number

pith:2P7KQX6S

pith:2017:2P7KQX6SJMIRVFCCGFSV6IFCRL

not attested not anchored not stored refs pending

An Overview of Cross-media Retrieval: Concepts, Methodologies, Benchmarks and Challenges

Xin Huang, Yunzhen Zhao, Yuxin Peng

arxiv:1704.02223 v4 · 2017-04-07 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2P7KQX6SJMIRVFCCGFSV6IFCRL}

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	2026-05-18T00:41:07.105906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3fea85fd24b111a944231655f20a28adb1e5eb8bf3df670a19fe6b432a84b4f

Aliases

arxiv: 1704.02223 · arxiv_version: 1704.02223v4 · doi: 10.48550/arxiv.1704.02223 · pith_short_12: 2P7KQX6SJMIR · pith_short_16: 2P7KQX6SJMIRVFCC · pith_short_8: 2P7KQX6S

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/2P7KQX6SJMIRVFCCGFSV6IFCRL \
  | 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: d3fea85fd24b111a944231655f20a28adb1e5eb8bf3df670a19fe6b432a84b4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bd459c55d57c66b179a7e8ee386a2c65ab7c0e51fdf6ce15626e0ac104160fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2017-04-07T13:26:10Z",
    "title_canon_sha256": "d0e283e40abcb9e8bf46ec9b301fa47f188e0cbe53f830fe6a7167cee1d55f4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02223",
    "kind": "arxiv",
    "version": 4
  }
}