Pith Number

pith:AFLTV2SN

pith:2015:AFLTV2SNO6R4CB6EZ5SY2HHUZR

not attested not anchored not stored refs pending

Human Gender Classification: A Review

Feng Lin, Wenyao Xu, Xi Long, Yan Zhuang, Yingxiao Wu

arxiv:1507.05122 v2 · 2015-07-17 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AFLTV2SNO6R4CB6EZ5SY2HHUZR}

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	2026-05-18T01:19:00.391018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01573aea4d77a3c107c4cf658d1cf4cc5635f36f887b63e7b487d4c44394fbed

Aliases

arxiv: 1507.05122 · arxiv_version: 1507.05122v2 · doi: 10.48550/arxiv.1507.05122 · pith_short_12: AFLTV2SNO6R4 · pith_short_16: AFLTV2SNO6R4CB6E · pith_short_8: AFLTV2SN

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/AFLTV2SNO6R4CB6EZ5SY2HHUZR \
  | 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: 01573aea4d77a3c107c4cf658d1cf4cc5635f36f887b63e7b487d4c44394fbed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32c0d6177bf2984a343f73ea521d99f184ab6c136bf2c91c5af393e14717a42d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-07-17T21:58:01Z",
    "title_canon_sha256": "6b484830b4eace3942116b6c819be488b51703fbd9e2088ccfb9a5ad1fe7c596"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05122",
    "kind": "arxiv",
    "version": 2
  }
}