Pith Number

pith:3VVSWDE6

pith:2017:3VVSWDE6CMRRUIUCAHFRQ55QJI

not attested not anchored not stored refs pending

Fusing Deep Learned and Hand-Crafted Features of Appearance, Shape, and Dynamics for Automatic Pain Estimation

Brais Martinez, Joy Egede, Michel Valstar

arxiv:1701.04540 v1 · 2017-01-17 · 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{3VVSWDE6CMRRUIUCAHFRQ55QJI}

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	2026-05-18T00:52:43.363805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd6b2b0c9e13231a228201cb1877b04a04b81448050c4c039c6680a84e70ada3

Aliases

arxiv: 1701.04540 · arxiv_version: 1701.04540v1 · doi: 10.48550/arxiv.1701.04540 · pith_short_12: 3VVSWDE6CMRR · pith_short_16: 3VVSWDE6CMRRUIUC · pith_short_8: 3VVSWDE6

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/3VVSWDE6CMRRUIUCAHFRQ55QJI \
  | 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: dd6b2b0c9e13231a228201cb1877b04a04b81448050c4c039c6680a84e70ada3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "845053f7b8c732c2b11f04167ef10721f3c4bafae83a1b62c132790652207abb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-01-17T06:05:48Z",
    "title_canon_sha256": "6b8004d928e238de6ba09b96445fc2ab6761672dff7b5c4d897dc4e2f3a1318c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04540",
    "kind": "arxiv",
    "version": 1
  }
}