Pith Number

pith:IKBD7FCI

pith:2009:IKBD7FCIQVSI6SRNCCCMSP5ZM5

not attested not anchored not stored refs pending

Observers for canonic models of neural oscillators

Cees van Leeuwen, David Fairhurst, Henk Nijmeijer, Ivan Tyukin

arxiv:0905.0149 v3 · 2009-05-01 · q-bio.NC · math.OC · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IKBD7FCIQVSI6SRNCCCMSP5ZM5}

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	2026-05-18T02:24:55.887019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42823f944885648f4a2d1084c93fb96748e93da472e27eedd6f08b64c6272711

Aliases

arxiv: 0905.0149 · arxiv_version: 0905.0149v3 · doi: 10.48550/arxiv.0905.0149 · pith_short_12: IKBD7FCIQVSI · pith_short_16: IKBD7FCIQVSI6SRN · pith_short_8: IKBD7FCI

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/IKBD7FCIQVSI6SRNCCCMSP5ZM5 \
  | 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: 42823f944885648f4a2d1084c93fb96748e93da472e27eedd6f08b64c6272711

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2958a739a543e3f360b9f2315fcc3e9ebeee48a29c3bca9a3c7a2cc2df175a8",
    "cross_cats_sorted": [
      "math.OC",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2009-05-01T21:03:48Z",
    "title_canon_sha256": "d0a2f22b2e7117bb7bd10a8ca25a937ef531c1ab36c17d6019e13d08f1b80225"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0149",
    "kind": "arxiv",
    "version": 3
  }
}