Pith Number

pith:KDGDX4AH

pith:2017:KDGDX4AHNBOBMPF2HKNANK2VOO

not attested not anchored not stored refs pending

A Deep Learning Perspective on the Origin of Facial Expressions

Ran Breuer, Ron Kimmel

arxiv:1705.01842 v2 · 2017-05-04 · 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{KDGDX4AHNBOBMPF2HKNANK2VOO}

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	2026-05-18T00:44:43.880268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50cc3bf007685c163cba3a9a06ab55739d7bab96d30b53b59deddbdc2b05df3b

Aliases

arxiv: 1705.01842 · arxiv_version: 1705.01842v2 · doi: 10.48550/arxiv.1705.01842 · pith_short_12: KDGDX4AHNBOB · pith_short_16: KDGDX4AHNBOBMPF2 · pith_short_8: KDGDX4AH

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/KDGDX4AHNBOBMPF2HKNANK2VOO \
  | 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: 50cc3bf007685c163cba3a9a06ab55739d7bab96d30b53b59deddbdc2b05df3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad4a5e401a64c3b8964b4b5e0f7710e5b74ba621617591126715e3cbc1439257",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-05-04T13:59:07Z",
    "title_canon_sha256": "806d9258e3c92394635e0e2f029d078fc1de11965888de996b2e41f878b588be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01842",
    "kind": "arxiv",
    "version": 2
  }
}