Pith Number

pith:HKM3AZ3L

pith:2018:HKM3AZ3LCNDGTIWJB2KHTQXZU5

not attested not anchored not stored refs pending

Frequency-modulated continuous-wave LiDAR compressive depth-mapping

Daniel J. Lum, John C. Howell, Samuel H. Knarr

arxiv:1803.01729 v2 · 2018-03-02 · eess.SP · physics.app-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HKM3AZ3LCNDGTIWJB2KHTQXZU5}

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	2026-05-18T00:14:13.934988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a99b0676b134669a2c90e9479c2f9a771c259c00fdfd6450d2533eab858fafe

Aliases

arxiv: 1803.01729 · arxiv_version: 1803.01729v2 · doi: 10.48550/arxiv.1803.01729 · pith_short_12: HKM3AZ3LCNDG · pith_short_16: HKM3AZ3LCNDGTIWJ · pith_short_8: HKM3AZ3L

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/HKM3AZ3LCNDGTIWJB2KHTQXZU5 \
  | 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: 3a99b0676b134669a2c90e9479c2f9a771c259c00fdfd6450d2533eab858fafe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c8d4f903cb799c7357852fbc0c872c3efe84c8fa75ffb4f3b21348a2d938aa4",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-03-02T16:13:43Z",
    "title_canon_sha256": "3384468c2aaeb7175db58984fda0e67de5c1ab415a070b0b10db2edeeb01f31a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01729",
    "kind": "arxiv",
    "version": 2
  }
}