Pith Number

pith:IR5PQV2S

pith:1999:IR5PQV2S77EQHD4D24Z3LLRQ7I

not attested not anchored not stored refs pending

Nonlinear Dynamics of the Perceived Pitch of Complex Sounds

Diego L. Gonzalez, Julyan H. E. Cartwright, Oreste Piro

arxiv:chao-dyn/9907002 v1 · 1999-06-26 · chao-dyn · nlin.CD · physics.bio-ph · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IR5PQV2S77EQHD4D24Z3LLRQ7I}

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	2026-05-18T03:50:23.228374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

447af85752ffc9038f83d733b5ae30fa1aa5e6fe2fcacd527a8ae0abbf5387ad

Aliases

arxiv: chao-dyn/9907002 · arxiv_version: chao-dyn/9907002v1 · doi: 10.48550/arxiv.chao-dyn/9907002 · pith_short_12: IR5PQV2S77EQ · pith_short_16: IR5PQV2S77EQHD4D · pith_short_8: IR5PQV2S

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/IR5PQV2S77EQHD4D24Z3LLRQ7I \
  | 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: 447af85752ffc9038f83d733b5ae30fa1aa5e6fe2fcacd527a8ae0abbf5387ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f922a33f51fb0b5fdac3656fdc0490e67d392cde8da5f398f901ce6a5244c45",
    "cross_cats_sorted": [
      "nlin.CD",
      "physics.bio-ph",
      "q-bio.NC"
    ],
    "license": "",
    "primary_cat": "chao-dyn",
    "submitted_at": "1999-06-26T14:46:04Z",
    "title_canon_sha256": "106b5bba83a69385d50479b2c40348c6c976d726d6cbfd9c3c7b42b73ef62d88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "chao-dyn/9907002",
    "kind": "arxiv",
    "version": 1
  }
}