Pith Number

pith:MMK4RQQ5

pith:2012:MMK4RQQ5MYY62XOE4JKKOYWYOO

not attested not anchored not stored refs pending

Synthetic spatially graded Rac activation drives directed cell polarization and locomotion

Andre Levchenko and, Andrew Harwell, Benjamin Lin, ChiaoChun Wang, Leah Edelstein-Keshet, Takanari Inoue, Tasuku Ueno, William R. Holmes

arxiv:1204.5517 v1 · 2012-04-25 · q-bio.MN · q-bio.CB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MMK4RQQ5MYY62XOE4JKKOYWYOO}

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	2026-05-18T01:57:46.448331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6315c8c21d6631ed5dc4e254a762d8738274357e78c10401136c3ef9f3658043

Aliases

arxiv: 1204.5517 · arxiv_version: 1204.5517v1 · doi: 10.48550/arxiv.1204.5517 · pith_short_12: MMK4RQQ5MYY6 · pith_short_16: MMK4RQQ5MYY62XOE · pith_short_8: MMK4RQQ5

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/MMK4RQQ5MYY62XOE4JKKOYWYOO \
  | 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: 6315c8c21d6631ed5dc4e254a762d8738274357e78c10401136c3ef9f3658043

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44f4ec6aa95404c37cd584658a7f10a8ef5fde2c54d366fb02a02efff064a41e",
    "cross_cats_sorted": [
      "q-bio.CB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.MN",
    "submitted_at": "2012-04-25T00:17:58Z",
    "title_canon_sha256": "c5742a76bb90d841c60fe2329717dbb0e19a60b331bf884c094b58154b9d23ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5517",
    "kind": "arxiv",
    "version": 1
  }
}