Pith Number

pith:PP4PC57Y

pith:2014:PP4PC57YEJ6TH5HSMONC3ZL5DL

not attested not anchored not stored refs pending

Fingerprinting Smart Devices Through Embedded Acoustic Components

Anupam Das, Matthew Caesar, Nikita Borisov

arxiv:1403.3366 v1 · 2014-03-13 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PP4PC57YEJ6TH5HSMONC3ZL5DL}

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	2026-05-18T02:56:21.643466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bf8f177f8227d33f4f2639a2de57d1ac4216d7926f12fd1ab4ec85f421eff70

Aliases

arxiv: 1403.3366 · arxiv_version: 1403.3366v1 · doi: 10.48550/arxiv.1403.3366 · pith_short_12: PP4PC57YEJ6T · pith_short_16: PP4PC57YEJ6TH5HS · pith_short_8: PP4PC57Y

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/PP4PC57YEJ6TH5HSMONC3ZL5DL \
  | 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: 7bf8f177f8227d33f4f2639a2de57d1ac4216d7926f12fd1ab4ec85f421eff70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "757dc96a92cae14266cba721b56f5094b5ac3abe8d779a2cf416aae6ff86d06a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2014-03-13T18:56:56Z",
    "title_canon_sha256": "4917dd853fe57f0443337b85da28401bdeb8203c8aabc7e081025cd9b715d0f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3366",
    "kind": "arxiv",
    "version": 1
  }
}