Pith Number

pith:JDIJLHHG

pith:2018:JDIJLHHGXCKGY2PBBUBYQU3OUY

not attested not anchored not stored refs pending

Action4D: Real-time Action Recognition in the Crowd and Clutter

Hao Jiang, Quanzeng You

arxiv:1806.02424 v1 · 2018-06-06 · 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{JDIJLHHGXCKGY2PBBUBYQU3OUY}

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	2026-05-18T00:13:56.871640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48d0959ce6b8946c69e10d0388536ea60537e8c0224830cf8699b098ce923de2

Aliases

arxiv: 1806.02424 · arxiv_version: 1806.02424v1 · doi: 10.48550/arxiv.1806.02424 · pith_short_12: JDIJLHHGXCKG · pith_short_16: JDIJLHHGXCKGY2PB · pith_short_8: JDIJLHHG

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/JDIJLHHGXCKGY2PBBUBYQU3OUY \
  | 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: 48d0959ce6b8946c69e10d0388536ea60537e8c0224830cf8699b098ce923de2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9089e1b053cad93b54cf36776551236059bf45fa1689adbc399878af46dda770",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-06-06T20:59:40Z",
    "title_canon_sha256": "64e51429a09cf98e60897e34312114810a26da7e9ba56c7811418d6d52df39ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02424",
    "kind": "arxiv",
    "version": 1
  }
}