Pith Number

pith:GFMU47RK

pith:2014:GFMU47RKOABJ5IKTRQKHEX2CKS

not attested not anchored not stored refs pending

Constancy and trade-offs in the neuroanatomical and metabolic design of the cerebral cortex

Jan Karbowski

arxiv:1403.4178 v1 · 2014-03-17 · q-bio.NC · 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{GFMU47RKOABJ5IKTRQKHEX2CKS}

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	2026-05-18T02:51:48.306255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31594e7e2a70029ea1538c14725f42549b8c0ee935894ee22cb12c27dc5b1e86

Aliases

arxiv: 1403.4178 · arxiv_version: 1403.4178v1 · doi: 10.48550/arxiv.1403.4178 · pith_short_12: GFMU47RKOABJ · pith_short_16: GFMU47RKOABJ5IKT · pith_short_8: GFMU47RK

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/GFMU47RKOABJ5IKTRQKHEX2CKS \
  | 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: 31594e7e2a70029ea1538c14725f42549b8c0ee935894ee22cb12c27dc5b1e86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caa3389fa69ab85f6c92c0d643bf42f47530f293e19223345107f09f35a94e56",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2014-03-17T17:25:35Z",
    "title_canon_sha256": "e1888a0cdaf6a6ea3f7cbefec92ff72c5e8d05c4fba20b13441a153c229b4471"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4178",
    "kind": "arxiv",
    "version": 1
  }
}