Pith Number

pith:DJPQ7GBO

pith:2019:DJPQ7GBOSRYLTDFR6TGLEQPDC4

not attested not anchored not stored refs pending

A fast online cascaded regression algorithm for face alignment

Caifeng Liu, Huibing Wang, Lin Feng, Shenglan Liu

arxiv:1905.04010 v1 · 2019-05-10 · 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{DJPQ7GBOSRYLTDFR6TGLEQPDC4}

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	2026-05-17T23:46:34.889588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a5f0f982e9470b98cb1f4ccb241e3172622d9232cd17950ab39f5d0cf6db5f6

Aliases

arxiv: 1905.04010 · arxiv_version: 1905.04010v1 · doi: 10.48550/arxiv.1905.04010 · pith_short_12: DJPQ7GBOSRYL · pith_short_16: DJPQ7GBOSRYLTDFR · pith_short_8: DJPQ7GBO

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/DJPQ7GBOSRYLTDFR6TGLEQPDC4 \
  | 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: 1a5f0f982e9470b98cb1f4ccb241e3172622d9232cd17950ab39f5d0cf6db5f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92008f5cf91eb8f3f4ceab730bdd25788e02d08e032ff93872b7829c97b4bd28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-10T08:37:33Z",
    "title_canon_sha256": "fcc01c80b7d1c95ea0a0d48a5cc9e2a0a2d225ece0b796828014230aadd501f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04010",
    "kind": "arxiv",
    "version": 1
  }
}