Pith Number

pith:N4BAULNP

pith:2019:N4BAULNPLX77WH2RTELWHAJ7YC

not attested not anchored not stored refs pending

Is the brain relativistic?

Denis Le Bihan

arxiv:1908.04290 v2 · 2019-08-10 · 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{N4BAULNPLX77WH2RTELWHAJ7YC}

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	2026-07-05T01:33:17.481603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f020a2daf5dfffb1f51991763813fc086f52a73c755329cbae75059ab9a8c29

Aliases

arxiv: 1908.04290 · arxiv_version: 1908.04290v2 · doi: 10.48550/arxiv.1908.04290 · pith_short_12: N4BAULNPLX77 · pith_short_16: N4BAULNPLX77WH2R · pith_short_8: N4BAULNP

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/N4BAULNPLX77WH2RTELWHAJ7YC \
  | 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: 6f020a2daf5dfffb1f51991763813fc086f52a73c755329cbae75059ab9a8c29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18e2b7e6092ae40fe5baee365035c6da07caa0924db100c991bb5e457bcb268e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2019-08-10T07:24:43Z",
    "title_canon_sha256": "c0df2d3c025944ac3451bc689117ada7bb08259dc4549f5f0126de879ecec30b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04290",
    "kind": "arxiv",
    "version": 2
  }
}