Pith Number

pith:4EW5M6FA

pith:2016:4EW5M6FAUJIREJJDI7E4BKU3Q3

not attested not anchored not stored refs pending

Sparse Graphical Representation based Discriminant Analysis for Heterogeneous Face Recognition

Chunlei Peng, Jie Li, Nannan Wang, Xinbo Gao

arxiv:1607.00137 v1 · 2016-07-01 · 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{4EW5M6FAUJIREJJDI7E4BKU3Q3}

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	2026-05-18T01:11:37.999049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e12dd678a0a25112252347c9c0aa9b86d164a39749ec5479d29f10d727c4a0be

Aliases

arxiv: 1607.00137 · arxiv_version: 1607.00137v1 · doi: 10.48550/arxiv.1607.00137 · pith_short_12: 4EW5M6FAUJIR · pith_short_16: 4EW5M6FAUJIREJJD · pith_short_8: 4EW5M6FA

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/4EW5M6FAUJIREJJDI7E4BKU3Q3 \
  | 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: e12dd678a0a25112252347c9c0aa9b86d164a39749ec5479d29f10d727c4a0be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca09b69b9ef55e37f9e596a315b3f8882b7599218c8a7d00f9883f52289fc15c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-07-01T07:41:25Z",
    "title_canon_sha256": "99e24899f6fe6470aafaca2e685c5399ca95cded779cfe21c86ee0f7b15863f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.00137",
    "kind": "arxiv",
    "version": 1
  }
}