Pith Number

pith:CCYGN7WZ

pith:2018:CCYGN7WZW4IP6YX4UMXHWXFWB6

not attested not anchored not stored refs pending

Wideband impedance measurement in the human ear canal; In vivo study on 32 subjects

Andreas Schuhmacher, Henrik Ingerslev J{\o}rgensen, S{\o}ren J{\o}nsson

arxiv:1811.03389 v1 · 2018-11-08 · physics.med-ph · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CCYGN7WZW4IP6YX4UMXHWXFWB6}

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	2026-05-18T00:01:16.818057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10b066fed9b710ff62fca32e7b5cb60fa1fc25d4a78a56a1df88fa6b1305bbe2

Aliases

arxiv: 1811.03389 · arxiv_version: 1811.03389v1 · doi: 10.48550/arxiv.1811.03389 · pith_short_12: CCYGN7WZW4IP · pith_short_16: CCYGN7WZW4IP6YX4 · pith_short_8: CCYGN7WZ

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/CCYGN7WZW4IP6YX4UMXHWXFWB6 \
  | 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: 10b066fed9b710ff62fca32e7b5cb60fa1fc25d4a78a56a1df88fa6b1305bbe2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87da8b484be1db50ed29e6f36bb4e89a2e230eaf4f9eadc7a41434bf47d1d753",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-11-08T13:02:27Z",
    "title_canon_sha256": "a2e22fe951170848f7b58bff2baf5356a9db925bdde3205d61f4df0665f4878c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03389",
    "kind": "arxiv",
    "version": 1
  }
}