Pith Number

pith:IW3LDLXR

pith:2020:IW3LDLXRYCUP3P4VVCYNK4AYTP

not attested not anchored not stored refs pending

Position Information from Single-Bounce Reflections

Anastasios Kakkavas, Gonzalo Seco-Granados, Henk Wymeersch, Josef A. Nossek, Mario H. Casta\~neda Garc\'ia, Richard A. Stirling-Gallacher

arxiv:2012.01597 v1 · 2020-12-02 · cs.IT · eess.SP · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IW3LDLXRYCUP3P4VVCYNK4AYTP}

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	2026-07-05T01:56:48.203290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45b6b1aef1c0a8fdbf95a8b0d570189befe0591cac31be6c193e21eb1262a90b

Aliases

arxiv: 2012.01597 · arxiv_version: 2012.01597v1 · doi: 10.48550/arxiv.2012.01597 · pith_short_12: IW3LDLXRYCUP · pith_short_16: IW3LDLXRYCUP3P4V · pith_short_8: IW3LDLXR

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/IW3LDLXRYCUP3P4VVCYNK4AYTP \
  | 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: 45b6b1aef1c0a8fdbf95a8b0d570189befe0591cac31be6c193e21eb1262a90b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bece9f4972925e8ff966dddfe1413722fc6a8047a50b3eb5cf06a1259a6f2de7",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-12-02T23:38:48Z",
    "title_canon_sha256": "1ab82447578f0674df338863acb9ea102389df4e4bb9ddfd0915b0a22d192f7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.01597",
    "kind": "arxiv",
    "version": 1
  }
}