Pith Number

pith:OYSP3I77

pith:2018:OYSP3I77H4CLFHTKN6B55564U4

not attested not anchored not stored refs pending

Face Spoofing Detection by Fusing Binocular Depth and Spatial Pyramid Coding Micro-Texture Features

Tianwei Lin, Xiao Song, Xu Zhao

arxiv:1803.04722 v1 · 2018-03-13 · 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{OYSP3I77H4CLFHTKN6B55564U4}

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	2026-05-18T00:21:18.020398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7624fda3ff3f04b29e6a6f83def7dca7376ef712a5c0719fa7b2cec00e5c1c1c

Aliases

arxiv: 1803.04722 · arxiv_version: 1803.04722v1 · doi: 10.48550/arxiv.1803.04722 · pith_short_12: OYSP3I77H4CL · pith_short_16: OYSP3I77H4CLFHTK · pith_short_8: OYSP3I77

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/OYSP3I77H4CLFHTKN6B55564U4 \
  | 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: 7624fda3ff3f04b29e6a6f83def7dca7376ef712a5c0719fa7b2cec00e5c1c1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a698cb2dcc7877ff7500e1204cd3771048aca84e0f6bcc5fa4bfa0dbe655b57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-03-13T10:49:45Z",
    "title_canon_sha256": "7cf3ab538afb1f800dd927259fb21f5a2b5097528639d862ec1c28519a3f730f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04722",
    "kind": "arxiv",
    "version": 1
  }
}