Pith Number

pith:AF3CJRYA

pith:2014:AF3CJRYASSZMM5GYSZUS257Y53

not attested not anchored not stored refs pending

SoundLoc: Acoustic Method for Indoor Localization without Infrastructure

Costas J. Spanos, Ming Jin, Ruoxi Jia

arxiv:1407.4409 v1 · 2014-07-16 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AF3CJRYASSZMM5GYSZUS257Y53}

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	2026-05-18T02:47:30.546162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

017624c70094b2c674d896692d77f8eec00bcc9f97ee8a581536f963234f9bce

Aliases

arxiv: 1407.4409 · arxiv_version: 1407.4409v1 · doi: 10.48550/arxiv.1407.4409 · pith_short_12: AF3CJRYASSZM · pith_short_16: AF3CJRYASSZMM5GY · pith_short_8: AF3CJRYA

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/AF3CJRYASSZMM5GYSZUS257Y53 \
  | 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: 017624c70094b2c674d896692d77f8eec00bcc9f97ee8a581536f963234f9bce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fa626bbbd230bfa3ffe031e700cef849c9a06c6c59b7854acaa348f462dc1b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2014-07-16T18:16:00Z",
    "title_canon_sha256": "110d9280f4cc8d2ff1b8040060c2385817fb1ba0a6d8a020f60244a26efecf89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4409",
    "kind": "arxiv",
    "version": 1
  }
}