Pith Number

pith:SXR6WJ64

pith:2017:SXR6WJ64C2GM2D6L2YGHF2YD6Y

not attested not anchored not stored refs pending

Objective Classes for Micro-Facial Expression Recognition

Adrian K. Davison, Moi Hoon Yap, Walied Merghani

arxiv:1708.07549 v2 · 2017-08-24 · 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{SXR6WJ64C2GM2D6L2YGHF2YD6Y}

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	2026-05-18T00:29:01.197054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95e3eb27dc168ccd0fcbd60c72eb03f60e9ed4979efe4259c385597ac7eec59e

Aliases

arxiv: 1708.07549 · arxiv_version: 1708.07549v2 · doi: 10.48550/arxiv.1708.07549 · pith_short_12: SXR6WJ64C2GM · pith_short_16: SXR6WJ64C2GM2D6L · pith_short_8: SXR6WJ64

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/SXR6WJ64C2GM2D6L2YGHF2YD6Y \
  | 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: 95e3eb27dc168ccd0fcbd60c72eb03f60e9ed4979efe4259c385597ac7eec59e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22d309968733ab478d0bb3e3e9e6176d85bfec470078659b5ab0ca485bfb1369",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-08-24T20:37:10Z",
    "title_canon_sha256": "b8a972e48bd3b5ebbb4fa1f9ff5edf83e250e5d2550b9555819f717eaf67c431"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07549",
    "kind": "arxiv",
    "version": 2
  }
}