Pith Number

pith:SNNBDWMB

pith:2017:SNNBDWMBGAOFBJZAWSHEGKO4NE

not attested not anchored not stored refs pending

A computational hierarchy in human cortex

Andreea O. Diaconescu, Christoph Mathys, Karl J. Friston, Klaas E. Stephan, Lars Kasper, Vladimir Litvak

arxiv:1709.02323 v1 · 2017-09-07 · q-bio.NC · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SNNBDWMBGAOFBJZAWSHEGKO4NE}

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	2026-05-18T00:35:49.479023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

935a11d981301c50a720b48e4329dc692dcf14681dde9f781e898c7dc52b7053

Aliases

arxiv: 1709.02323 · arxiv_version: 1709.02323v1 · doi: 10.48550/arxiv.1709.02323 · pith_short_12: SNNBDWMBGAOF · pith_short_16: SNNBDWMBGAOFBJZA · pith_short_8: SNNBDWMB

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/SNNBDWMBGAOFBJZAWSHEGKO4NE \
  | 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: 935a11d981301c50a720b48e4329dc692dcf14681dde9f781e898c7dc52b7053

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e0aa296033ad0213dac8428e532dce7d7d5761310f9b1e696d780b6b90278f0",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2017-09-07T16:02:04Z",
    "title_canon_sha256": "9dc02f52b3151cb3c9d0ed82a20830b7b3200c65df7b67bb6c8694ae1c541527"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02323",
    "kind": "arxiv",
    "version": 1
  }
}