Pith Number

pith:GDWZJVCD

pith:2019:GDWZJVCDKKLRPN6UDQCZZT4S2I

not attested not anchored not stored refs pending

Automatic trajectory measurement of large numbers of crowded objects

Hui Li, Yan Qiu Chen, Ye Liu

arxiv:1902.00835 v1 · 2019-02-03 · 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{GDWZJVCDKKLRPN6UDQCZZT4S2I}

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	2026-05-17T23:54:52.029287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30ed94d443529717b7d41c059ccf92d21449f57b25f9ebef15fd78a83ef18298

Aliases

arxiv: 1902.00835 · arxiv_version: 1902.00835v1 · doi: 10.48550/arxiv.1902.00835 · pith_short_12: GDWZJVCDKKLR · pith_short_16: GDWZJVCDKKLRPN6U · pith_short_8: GDWZJVCD

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/GDWZJVCDKKLRPN6UDQCZZT4S2I \
  | 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: 30ed94d443529717b7d41c059ccf92d21449f57b25f9ebef15fd78a83ef18298

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38064f4fafc1f224b07d19aed197cef97948b87daf4ce6da71212333b58620ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-03T03:30:50Z",
    "title_canon_sha256": "2133fd6731917b5c8d5090f13b1b49c0147352a528227c44688f759a31eb9954"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.00835",
    "kind": "arxiv",
    "version": 1
  }
}