Pith Number

pith:X6QU7YK5

pith:2013:X6QU7YK5V3DWFRKBI3SEWPFII6

not attested not anchored not stored refs pending

Virtual in situs: Sequencing mRNA from cryo-sliced Drosophila embryos to determine genome-wide spatial patterns of gene expression

Michael B. Eisen, Peter A. Combs

arxiv:1302.4693 v4 · 2013-02-19 · q-bio.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X6QU7YK5V3DWFRKBI3SEWPFII6}

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	2026-05-18T03:15:57.545677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfa14fe15daec762c54146e44b3ca847ac1d693df6691f60fa7fc2ecb6741c87

Aliases

arxiv: 1302.4693 · arxiv_version: 1302.4693v4 · doi: 10.48550/arxiv.1302.4693 · pith_short_12: X6QU7YK5V3DW · pith_short_16: X6QU7YK5V3DWFRKB · pith_short_8: X6QU7YK5

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/X6QU7YK5V3DWFRKBI3SEWPFII6 \
  | 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: bfa14fe15daec762c54146e44b3ca847ac1d693df6691f60fa7fc2ecb6741c87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "761611d6fa1c09369468e52b638059380448e4373d4451ac6613f63aa4f12cc5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "q-bio.GN",
    "submitted_at": "2013-02-19T17:44:59Z",
    "title_canon_sha256": "652ea85f9ae457fe5cdcb7d506e2863ab1a54d2cd580296c790f5b8f822fa20b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4693",
    "kind": "arxiv",
    "version": 4
  }
}