Pith Number

pith:SKGJPH2U

pith:2026:SKGJPH2U6DOI57BKNHZA22WLBC

not attested not anchored not stored refs pending

Emergent topological structure in spontaneous brain-organoid activity

Dirk Bouwmeester, Eve Bodnia, Kenneth S. Kosik, Lenzie Ford, Lincoln D. Carr, Margaux Basart, Nina Miolane, Sofie Hai

arxiv:2607.16517 v1 · 2026-07-17 · q-bio.NC · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SKGJPH2U6DOI57BKNHZA22WLBC}

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	2026-07-21T00:20:22.837759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

928c979f54f0dc8efc2a69f20d6acb0881c0958dc4bacf08ed37b374843cc3b5

Aliases

arxiv: 2607.16517 · arxiv_version: 2607.16517v1 · doi: 10.48550/arxiv.2607.16517 · pith_short_12: SKGJPH2U6DOI · pith_short_16: SKGJPH2U6DOI57BK · pith_short_8: SKGJPH2U

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/SKGJPH2U6DOI57BKNHZA22WLBC \
  | 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: 928c979f54f0dc8efc2a69f20d6acb0881c0958dc4bacf08ed37b374843cc3b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4484ca1c38ad199f5707ef0a2a45b607e2e1a577fc6854ef2f1ef50cf13da55d",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2026-07-17T21:36:54Z",
    "title_canon_sha256": "c95b965169b5b3194a045ebf09796ec295fc9f7e2b4bf7372e465d3d61472e4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16517",
    "kind": "arxiv",
    "version": 1
  }
}