Pith Number

pith:AHAH3QUG

pith:2014:AHAH3QUG255KCNZISPKM7GQA27

not attested not anchored not stored refs pending

HOPC: Histogram of Oriented Principal Components of 3D Pointclouds for Action Recognition

Ajmal Mian, Arif Mahmood, Du Q. Huynh, Hossein Rahmani

arxiv:1408.3809 v4 · 2014-08-17 · 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{AHAH3QUG255KCNZISPKM7GQA27}

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	2026-05-18T02:42:14.253983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01c07dc286d77aa1372893d4cf9a00d7f495eccfde19f364594cd86849f215a2

Aliases

arxiv: 1408.3809 · arxiv_version: 1408.3809v4 · doi: 10.48550/arxiv.1408.3809 · pith_short_12: AHAH3QUG255K · pith_short_16: AHAH3QUG255KCNZI · pith_short_8: AHAH3QUG

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/AHAH3QUG255KCNZISPKM7GQA27 \
  | 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: 01c07dc286d77aa1372893d4cf9a00d7f495eccfde19f364594cd86849f215a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4ceb0543d3f778ce2ae3d4906a1b24a1fdba0930eeefe646a08dc5db9c7aa4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-08-17T10:34:47Z",
    "title_canon_sha256": "85f6231405e6de0839ea5742c832d372d985c9c18b1950fe6c7e4ea0335d248e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3809",
    "kind": "arxiv",
    "version": 4
  }
}