Pith Number

pith:K2VTSVLX

pith:2019:K2VTSVLXTIGGZT4EGS3TUHRZZB

not attested not anchored not stored refs pending

High-frequency crowd insights for public safety and congestion control

Karthik Nandakumar, Laura Wynter, Sebastien Blandin

arxiv:1904.10180 v1 · 2019-04-23 · 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{K2VTSVLXTIGGZT4EGS3TUHRZZB}

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	2026-05-17T23:47:54.901276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56ab3955779a0c6ccf8434b73a1e39c86b70bb5aeef78dee644fb48243a02168

Aliases

arxiv: 1904.10180 · arxiv_version: 1904.10180v1 · doi: 10.48550/arxiv.1904.10180 · pith_short_12: K2VTSVLXTIGG · pith_short_16: K2VTSVLXTIGGZT4E · pith_short_8: K2VTSVLX

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/K2VTSVLXTIGGZT4EGS3TUHRZZB \
  | 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: 56ab3955779a0c6ccf8434b73a1e39c86b70bb5aeef78dee644fb48243a02168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d30b9444df3cf380331f2886f4aead06f6e67f9eec063e7596421331c879505b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-23T07:11:48Z",
    "title_canon_sha256": "487c49233faf62e34263f1424b17103cde13d12e6f7a2c5cb79f4e0e72878746"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10180",
    "kind": "arxiv",
    "version": 1
  }
}