Pith Number

pith:YEZ2525L

pith:2018:YEZ2525LTQ5LW2TR5QL4IU5WF3

not attested not anchored not stored refs pending

K-shell decomposition reveals hierarchical cortical organization of the human brain

Adi Maron-Katz, Baruch Ksherim, Eti Ben-Simon, Nir Lahav, Reuven Cohen, Shlomo Havlin

arxiv:1803.03742 v1 · 2018-03-10 · 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{YEZ2525LTQ5LW2TR5QL4IU5WF3}

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	2026-05-18T00:21:38.297207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c133aeebab9c3abb6a71ec17c453b62ec662b0e19cfbc242d0b1f3ecf5827fa2

Aliases

arxiv: 1803.03742 · arxiv_version: 1803.03742v1 · doi: 10.48550/arxiv.1803.03742 · pith_short_12: YEZ2525LTQ5L · pith_short_16: YEZ2525LTQ5LW2TR · pith_short_8: YEZ2525L

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/YEZ2525LTQ5LW2TR5QL4IU5WF3 \
  | 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: c133aeebab9c3abb6a71ec17c453b62ec662b0e19cfbc242d0b1f3ecf5827fa2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "768f3ed632f6184484e3e922472d608987379074802b2a468e563a512a8bacbc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2018-03-10T02:19:09Z",
    "title_canon_sha256": "29f9c8ef47e3235399ddc1e6d2150edf50ea20dc5b62daf1341c5f60b4b00a65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03742",
    "kind": "arxiv",
    "version": 1
  }
}