Pith Number

pith:ZFO7SOF5

pith:2017:ZFO7SOF5MY4RHY7KAB3R5IJW37

not attested not anchored not stored refs pending

Coupled Deep Learning for Heterogeneous Face Recognition

Lingxiao Song, Ran He, Tieniu Tan, Xiang Wu

arxiv:1704.02450 v2 · 2017-04-08 · 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{ZFO7SOF5MY4RHY7KAB3R5IJW37}

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	2026-05-18T00:30:28.362211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c95df938bd663913e3ea00771ea136dfd4c97422cba46278a892ae3fe86dfc43

Aliases

arxiv: 1704.02450 · arxiv_version: 1704.02450v2 · doi: 10.48550/arxiv.1704.02450 · pith_short_12: ZFO7SOF5MY4R · pith_short_16: ZFO7SOF5MY4RHY7K · pith_short_8: ZFO7SOF5

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/ZFO7SOF5MY4RHY7KAB3R5IJW37 \
  | 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: c95df938bd663913e3ea00771ea136dfd4c97422cba46278a892ae3fe86dfc43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5acd164b9d5ad75d1cc3b2919eee3809cb3ae577abec078ab833dbeeff019a72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-08T07:10:45Z",
    "title_canon_sha256": "e0899ba1a160c057d799bc833f7cb4865b410158ce9e9f0bb5ddb9d6558cde02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02450",
    "kind": "arxiv",
    "version": 2
  }
}