Pith Number

pith:4EHNKVB2

pith:2017:4EHNKVB2NQ2FP75YGS3ELUMORC

not attested not anchored not stored refs pending

Personalized Automatic Estimation of Self-reported Pain Intensity from Facial Expressions

Daniel Lopez Martinez, Ognjen Rudovic, Rosalind Picard

arxiv:1706.07154 v2 · 2017-06-22 · 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{4EHNKVB2NQ2FP75YGS3ELUMORC}

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	2026-05-18T00:41:47.515880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e10ed5543a6c3457ffb834b645d18e888ecef23c5e68ab1cec750c6f770c4ba8

Aliases

arxiv: 1706.07154 · arxiv_version: 1706.07154v2 · doi: 10.48550/arxiv.1706.07154 · pith_short_12: 4EHNKVB2NQ2F · pith_short_16: 4EHNKVB2NQ2FP75Y · pith_short_8: 4EHNKVB2

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/4EHNKVB2NQ2FP75YGS3ELUMORC \
  | 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: e10ed5543a6c3457ffb834b645d18e888ecef23c5e68ab1cec750c6f770c4ba8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "912b44497b592dde603fb93a49aca813ce78a3cf017df3da178df24f3c4163fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-06-22T03:11:29Z",
    "title_canon_sha256": "f0fccbe65beb4c4b5d0f04efe0138d71715a53dadd598b5be0489346917a19fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07154",
    "kind": "arxiv",
    "version": 2
  }
}