Pith Number

pith:7VPAJ3H6

pith:2018:7VPAJ3H6TCZH3IKTPJRLGZ7HOS

not attested not anchored not stored refs pending

Colonel Mustard in the Aviary with the Candlestick: a limit cycle attractor transitions to a stable focus via supercritical Andronov-Hopf bifurcation

Eve Armstrong

arxiv:1803.11559 v3 · 2018-04-01 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VPAJ3H6TCZH3IKTPJRLGZ7HOS}

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	2026-05-18T00:09:47.155230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd5e04ecfe98b27da1537a62b367e774a9f137ab483d00f78a5849dffd035c28

Aliases

arxiv: 1803.11559 · arxiv_version: 1803.11559v3 · doi: 10.48550/arxiv.1803.11559 · pith_short_12: 7VPAJ3H6TCZH · pith_short_16: 7VPAJ3H6TCZH3IKT · pith_short_8: 7VPAJ3H6

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/7VPAJ3H6TCZH3IKTPJRLGZ7HOS \
  | 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: fd5e04ecfe98b27da1537a62b367e774a9f137ab483d00f78a5849dffd035c28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63bc93d5bcde8303789413f6e109d2ff75ce135b553d41ceb70316016a08e4ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-04-01T18:22:01Z",
    "title_canon_sha256": "91f681693231060ba4b53c1e507157f965df927929b3898e02807359ce6a6929"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.11559",
    "kind": "arxiv",
    "version": 3
  }
}