Pith Number

pith:2F4NDXJR

pith:2019:2F4NDXJR2PJP4OIHCJ6UNM5Y5S

not attested not anchored not stored refs pending

No evidence for critical slowing down prior to human epileptic seizures

Klaus Lehnertz, Theresa Wilkat, Thorsten Rings

arxiv:1908.08973 v1 · 2019-08-23 · physics.med-ph · 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{2F4NDXJR2PJP4OIHCJ6UNM5Y5S}

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	2026-07-05T00:13:53.718343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d178d1dd31d3d2fe3907127d46b3b8ec83915838a5d6e982aa1ddfab67367e9f

Aliases

arxiv: 1908.08973 · arxiv_version: 1908.08973v1 · doi: 10.48550/arxiv.1908.08973 · pith_short_12: 2F4NDXJR2PJP · pith_short_16: 2F4NDXJR2PJP4OIH · pith_short_8: 2F4NDXJR

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/2F4NDXJR2PJP4OIHCJ6UNM5Y5S \
  | 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: d178d1dd31d3d2fe3907127d46b3b8ec83915838a5d6e982aa1ddfab67367e9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70cc5bcdc61222de82f921e6fb6865f31595867a27beea109b75f19cbc73f2c4",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "q-bio.NC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-08-23T18:37:03Z",
    "title_canon_sha256": "b53ac5a0d9e00477fe550dfa4e1666adea78abeb40b5cb7d7a213a968cfeff5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08973",
    "kind": "arxiv",
    "version": 1
  }
}