Pith Number

pith:TCHZDXJB

pith:2013:TCHZDXJBLIQIBLEO6NAO5WKMDR

not attested not anchored not stored refs pending

Source localization in reverberant rooms using sparse modeling and narrowband measurements

Gilles Chardon, Laurent Daudet

arxiv:1307.4894 v1 · 2013-07-18 · cs.IT · 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{TCHZDXJBLIQIBLEO6NAO5WKMDR}

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	2026-05-18T03:18:07.305910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

988f91dd215a2080ac8ef340eed94c1c4abdea1bed32c9b1013a3b328a64ca25

Aliases

arxiv: 1307.4894 · arxiv_version: 1307.4894v1 · doi: 10.48550/arxiv.1307.4894 · pith_short_12: TCHZDXJBLIQI · pith_short_16: TCHZDXJBLIQIBLEO · pith_short_8: TCHZDXJB

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/TCHZDXJBLIQIBLEO6NAO5WKMDR \
  | 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: 988f91dd215a2080ac8ef340eed94c1c4abdea1bed32c9b1013a3b328a64ca25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c7e90994896dda7407eb26bec3de81a4d063010ccbe01a367086b45fd67e7ca",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-07-18T10:23:25Z",
    "title_canon_sha256": "8738b805ebeb60701bedef245bd5e7b1521f0ff85369b1970d32fab4964703f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4894",
    "kind": "arxiv",
    "version": 1
  }
}