Pith Number

pith:HYXFNC3C

pith:2019:HYXFNC3CGAOEJ47L7FU7OUS374

not attested not anchored not stored refs pending

Micro-expression detection in long videos using optical flow and recurrent neural networks

Michiel Verburg, Vlado Menkovski

arxiv:1903.10765 v1 · 2019-03-26 · 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{HYXFNC3CGAOEJ47L7FU7OUS374}

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	2026-05-17T23:50:17.807323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e2e568b62301c44f3ebf969f7525bff07bda57d7984e1ac03cf64b5965ec71e

Aliases

arxiv: 1903.10765 · arxiv_version: 1903.10765v1 · doi: 10.48550/arxiv.1903.10765 · pith_short_12: HYXFNC3CGAOE · pith_short_16: HYXFNC3CGAOEJ47L · pith_short_8: HYXFNC3C

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/HYXFNC3CGAOEJ47L7FU7OUS374 \
  | 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: 3e2e568b62301c44f3ebf969f7525bff07bda57d7984e1ac03cf64b5965ec71e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb8f83ce649c5dd6355a8798e42ae21765c7ba89e3303038ef3116b4aed3d33d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-26T10:01:46Z",
    "title_canon_sha256": "f021fb29e25ae4a870a57a8a84b7055df29c19e0ea286ec9bb66fdf93c30504c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10765",
    "kind": "arxiv",
    "version": 1
  }
}