Pith Number

pith:HMTSNKGX

pith:2021:HMTSNKGX7DPGD4V46QMCFBOLGY

not attested not anchored not stored refs pending

Focal Inverse Distance Transform Maps for Crowd Localization

Dingkang Liang, Wei Xu, Yingying Zhu, Yu Zhou

arxiv:2102.07925 v3 · 2021-02-16 · 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{HMTSNKGX7DPGD4V46QMCFBOLGY}

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	2026-07-05T04:54:13.000620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b2726a8d7f8de61f2bcf4182285cb362171e8f3281e9555d17885c39f1f0022

Aliases

arxiv: 2102.07925 · arxiv_version: 2102.07925v3 · doi: 10.48550/arxiv.2102.07925 · pith_short_12: HMTSNKGX7DPG · pith_short_16: HMTSNKGX7DPGD4V4 · pith_short_8: HMTSNKGX

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/HMTSNKGX7DPGD4V46QMCFBOLGY \
  | 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: 3b2726a8d7f8de61f2bcf4182285cb362171e8f3281e9555d17885c39f1f0022

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d9234b22ed3a5c582ed2a93a5655a1a783a3f4f644718235cab0698e1f78bea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-02-16T02:25:55Z",
    "title_canon_sha256": "017b0d1b89d73b4b033bcd9da72f278c64faefca2c983c80b16848e45c341470"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.07925",
    "kind": "arxiv",
    "version": 3
  }
}