pith. sign in
Pith Number

pith:RACVETWA

pith:2016:RACVETWA6OBE23IUIQJTPAPMRQ
not attested not anchored not stored refs pending

Direction matters: hand pose estimation from local surface normals

Angela Yao, Chengde Wan, Luc Van Gool

arxiv:1604.02657 v1 · 2016-04-10 · cs.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RACVETWA6OBE23IUIQJTPAPMRQ}

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 2026-05-18T01:17:22.498616Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8805524ec0f3824d6d1444133781ec8c201604c35629818041517237fb48eddb

Aliases

arxiv: 1604.02657 · arxiv_version: 1604.02657v1 · doi: 10.48550/arxiv.1604.02657 · pith_short_12: RACVETWA6OBE · pith_short_16: RACVETWA6OBE23IU · pith_short_8: RACVETWA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RACVETWA6OBE23IUIQJTPAPMRQ \
  | 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: 8805524ec0f3824d6d1444133781ec8c201604c35629818041517237fb48eddb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d971b4ae69f9229aa5a5d0e1d0421ebd7401bbe56ee54dc0e90e567d202d1012",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-04-10T09:16:28Z",
    "title_canon_sha256": "0b47bb7bf91a453f7235bd8ce99697504e75c657505c2647c61759b56539fc90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02657",
    "kind": "arxiv",
    "version": 1
  }
}