Pith Number

pith:Z34PUEBG

pith:2022:Z34PUEBG6ADF5S3Y75NT6T5O4C

not attested not anchored not stored refs pending

Crowd Density Estimation using Imperfect Labels

Hamid Menouar, Muhammad Asif Khan, Ridha Hamila

arxiv:2212.01450 v3 · 2022-12-02 · cs.CV · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z34PUEBG6ADF5S3Y75NT6T5O4C}

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	2026-07-05T06:37:52.920154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cef8fa1026f0065ecb78ff5b3f4faee092e4a85724e57509f8f97133f7dff13a

Aliases

arxiv: 2212.01450 · arxiv_version: 2212.01450v3 · doi: 10.48550/arxiv.2212.01450 · pith_short_12: Z34PUEBG6ADF · pith_short_16: Z34PUEBG6ADF5S3Y · pith_short_8: Z34PUEBG

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/Z34PUEBG6ADF5S3Y75NT6T5O4C \
  | 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: cef8fa1026f0065ecb78ff5b3f4faee092e4a85724e57509f8f97133f7dff13a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ec055c7d628dbd9e1190fa538094bab728a67e094e59d31e8f88b935af0f186",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-12-02T21:21:40Z",
    "title_canon_sha256": "f45906d6cbf733851aa7bd9fe7974ab677c403009ae3d0c1953f0b1fa02cf609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.01450",
    "kind": "arxiv",
    "version": 3
  }
}