Pith Number

pith:QHVPO4M5

pith:2013:QHVPO4M5YIRFCKLFKLOMQWQAKM

not attested not anchored not stored refs pending

Characterization of high frequency oscillations and EEG frequency spectra using the damped-oscillator oscillator detector (DOOD)

David Hsu, Gregory A. Worrell, Heidi L. Grabenstatter, Murielle Hsu, Thomas P. Sutula

arxiv:1309.1086 v1 · 2013-09-04 · 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{QHVPO4M5YIRFCKLFKLOMQWQAKM}

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	2026-05-18T03:14:09.136193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81eaf7719dc22251296552dcc85a00532379dd3127a7132493d7ea3a49aad0d5

Aliases

arxiv: 1309.1086 · arxiv_version: 1309.1086v1 · doi: 10.48550/arxiv.1309.1086 · pith_short_12: QHVPO4M5YIRF · pith_short_16: QHVPO4M5YIRFCKLF · pith_short_8: QHVPO4M5

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/QHVPO4M5YIRFCKLFKLOMQWQAKM \
  | 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: 81eaf7719dc22251296552dcc85a00532379dd3127a7132493d7ea3a49aad0d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4385032bce5de67f5f16433767e13bd24c1eb385db45e0cba400e942a44df3db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2013-09-04T16:10:02Z",
    "title_canon_sha256": "f572e0af19b8c92ec76a746f47a9fda28cb5f3fb7ea97f82a62288939b226d92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1086",
    "kind": "arxiv",
    "version": 1
  }
}