Pith Number

pith:CSFFCI2Q

pith:2025:CSFFCI2Q756LVFRX2RRM5POQ32

not attested not anchored not stored refs pending

Initial Luminally Deposited FGF4 Critically Influences Blastocyst Patterning

Michael A. Ramirez-Sierra, Thomas R. Sokolowski

arxiv:2505.23650 v1 · 2025-05-29 · 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{CSFFCI2Q756LVFRX2RRM5POQ32}

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	2026-07-05T11:12:05.252871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

148a512350ff7cba9637d462cebdd0de9e957061739bd17993f6333a0fcfc00d

Aliases

arxiv: 2505.23650 · arxiv_version: 2505.23650v1 · doi: 10.48550/arxiv.2505.23650 · pith_short_12: CSFFCI2Q756L · pith_short_16: CSFFCI2Q756LVFRX · pith_short_8: CSFFCI2Q

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/CSFFCI2Q756LVFRX2RRM5POQ32 \
  | 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: 148a512350ff7cba9637d462cebdd0de9e957061739bd17993f6333a0fcfc00d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cca1e9e285b3722b20d4194b7a18c0387f06257881d0b70b9002044c7c34a3c3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2025-05-29T17:00:18Z",
    "title_canon_sha256": "6adb741eee9c9086d226116992bccf87bafd1fc8998e823280884d5e3be6602c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23650",
    "kind": "arxiv",
    "version": 1
  }
}