Pith Number

pith:XFS4QEHY

pith:2023:XFS4QEHYN3PCF7BMLRQNLN3ZIK

not attested not anchored not stored refs pending

How human-derived brain organoids are built differently from brain organoids derived from genetically-close relatives: A multi-scale hypothesis

J. M. Schwarz, Madeline A. Lancaster, Sarthak Gupta, Tao Zhang

arxiv:2304.08622 v2 · 2023-04-17 · q-bio.TO · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFS4QEHYN3PCF7BMLRQNLN3ZIK}

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	2026-07-05T10:21:55.064111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b965c810f86ede22fc2c5c60d5b7794291fcd700196bf70614af3ad7e682b9e7

Aliases

arxiv: 2304.08622 · arxiv_version: 2304.08622v2 · doi: 10.48550/arxiv.2304.08622 · pith_short_12: XFS4QEHYN3PC · pith_short_16: XFS4QEHYN3PCF7BM · pith_short_8: XFS4QEHY

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/XFS4QEHYN3PCF7BMLRQNLN3ZIK \
  | 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: b965c810f86ede22fc2c5c60d5b7794291fcd700196bf70614af3ad7e682b9e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e3444e94cb47a6e0c51cce33eeab7ec5bc98eee74c0b9e26f57f9365a6deb73",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.TO",
    "submitted_at": "2023-04-17T21:26:38Z",
    "title_canon_sha256": "b5ab09f0b1dce14233eebcb44f6c5715d611a3efdda90c938471c1711b19a581"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.08622",
    "kind": "arxiv",
    "version": 2
  }
}