Pith Number

pith:TVBTBXQG

pith:2018:TVBTBXQGWJKBS4MPRDQLE2QOGA

not attested not anchored not stored refs pending

Functional optimality of the sulcus pattern of the human brain

Michael Ortiz, Stefanie Heyden

arxiv:1801.05703 v2 · 2018-01-17 · 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{TVBTBXQGWJKBS4MPRDQLE2QOGA}

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	2026-05-18T00:25:33.302640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d4330de06b25419718f88e0b26a0e30201aadf3130bbd315ec629700a354bb5

Aliases

arxiv: 1801.05703 · arxiv_version: 1801.05703v2 · doi: 10.48550/arxiv.1801.05703 · pith_short_12: TVBTBXQGWJKB · pith_short_16: TVBTBXQGWJKBS4MP · pith_short_8: TVBTBXQG

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/TVBTBXQGWJKBS4MPRDQLE2QOGA \
  | 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: 9d4330de06b25419718f88e0b26a0e30201aadf3130bbd315ec629700a354bb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4fd8cc7d61868472304355325415f0a4dda079dd09440ef25f6e3462d2af62e",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2018-01-17T15:05:42Z",
    "title_canon_sha256": "966551c05ffc145edc3832a6fa4dc0d0da6b0dd920fdf2bc099d1f46ab93bb34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05703",
    "kind": "arxiv",
    "version": 2
  }
}