Pith Number

pith:PPO6JL5N

pith:2018:PPO6JL5NFOH4C4BE5K7UP6VDMT

not attested not anchored not stored refs pending

MobileFace: 3D Face Reconstruction with Efficient CNN Regression

Alexander Chigorin, Ivan Laptev, Nikolai Chinaev

arxiv:1809.08809 v1 · 2018-09-24 · 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{PPO6JL5NFOH4C4BE5K7UP6VDMT}

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	2026-05-18T00:05:03.494548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bdde4afad2b8fc17024eabf47faa364c404f9ec96c28c24ef95e2b8a1086f27

Aliases

arxiv: 1809.08809 · arxiv_version: 1809.08809v1 · doi: 10.48550/arxiv.1809.08809 · pith_short_12: PPO6JL5NFOH4 · pith_short_16: PPO6JL5NFOH4C4BE · pith_short_8: PPO6JL5N

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/PPO6JL5NFOH4C4BE5K7UP6VDMT \
  | 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: 7bdde4afad2b8fc17024eabf47faa364c404f9ec96c28c24ef95e2b8a1086f27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13330e6886eadc5cbadcb94dc8d3cdcd7b363007f23e0af1fce91f7b09af557f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-24T09:15:08Z",
    "title_canon_sha256": "b09e76b28bf13162798f1b3a27a9f9ccff62baeb5b5e50a64c5a59261d3c42b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08809",
    "kind": "arxiv",
    "version": 1
  }
}