Pith Number

pith:L75FT24D

pith:2026:L75FT24DNS2XKLPC35KBUMYT6Z

not attested not anchored not stored refs pending

Crowd4D: Scene-Aware Monocular 4D Crowd Reconstruction

Hongbo Kang, Hongwei Wen, Jing Huang, Kun Li, Qingyang Yang, Tianyi Zhou, Yu-Kun Lai

arxiv:2607.19517 v1 · 2026-07-21 · 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{L75FT24DNS2XKLPC35KBUMYT6Z}

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	2026-07-23T00:23:54.627809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ffa59eb836cb5752de2df541a3313f66d4c67cf36ca80fea19cc8b141d839f9

Aliases

arxiv: 2607.19517 · arxiv_version: 2607.19517v1 · doi: 10.48550/arxiv.2607.19517 · pith_short_12: L75FT24DNS2X · pith_short_16: L75FT24DNS2XKLPC · pith_short_8: L75FT24D

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/L75FT24DNS2XKLPC35KBUMYT6Z \
  | 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: 5ffa59eb836cb5752de2df541a3313f66d4c67cf36ca80fea19cc8b141d839f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0011179ad4782b258ae801e247c3c8f5527220ad49a24d28e3c67590c78a848e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-21T19:03:10Z",
    "title_canon_sha256": "fccbf9b3d6b994438a2c43299a010afa8b414fb79c6bc48db3407bf6095ada31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19517",
    "kind": "arxiv",
    "version": 1
  }
}