Pith Number

pith:NHKUDQW2

pith:2019:NHKUDQW2QLVQFVO5D6ANO66HDB

not attested not anchored not stored refs pending

Life detection strategy based on infrared vision and ultra-wideband radar data fusion

Li Yin, Y.M. Zhou

arxiv:1903.01564 v2 · 2019-02-28 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHKUDQW2QLVQFVO5D6ANO66HDB}

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	2026-05-17T23:46:03.350223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69d541c2da82eb02d5dd1f80d77bc718587afb58e14e3ceea8a50cbb96c48760

Aliases

arxiv: 1903.01564 · arxiv_version: 1903.01564v2 · doi: 10.48550/arxiv.1903.01564 · pith_short_12: NHKUDQW2QLVQ · pith_short_16: NHKUDQW2QLVQFVO5 · pith_short_8: NHKUDQW2

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/NHKUDQW2QLVQFVO5D6ANO66HDB \
  | 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: 69d541c2da82eb02d5dd1f80d77bc718587afb58e14e3ceea8a50cbb96c48760

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c086c8e7550f7d6df41658c0323ea6fc3f8b1e451364a96913f4476de31d98a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-02-28T03:16:42Z",
    "title_canon_sha256": "d94bb652bb4089a51023b2f2fd960ff5ce1e9e999bd3bad4754a496ffc3f8343"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01564",
    "kind": "arxiv",
    "version": 2
  }
}