Pith Number

pith:2OBTYOIM

pith:2019:2OBTYOIM4TTAL3H4A2SPOJQPV7

not attested not anchored not stored refs pending

Non-uniform growth and surface friction determine bacterial biofilm morphology on soft substrates

Andrej Kosmrlj, Bonnie L. Bassler, Chenyi Fei, Howard A. Stone, Jing Yan, Ned S. Wingreen, Ricard Alert, Sheng Mao

arxiv:1910.14645 v1 · 2019-10-31 · physics.bio-ph · 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{2OBTYOIM4TTAL3H4A2SPOJQPV7}

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	2026-07-05T00:59:54.972092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3833c390ce4e605ecfc06a4f7260fafc661d04fae1045c3f256d0d3d5e10dcb

Aliases

arxiv: 1910.14645 · arxiv_version: 1910.14645v1 · doi: 10.48550/arxiv.1910.14645 · pith_short_12: 2OBTYOIM4TTA · pith_short_16: 2OBTYOIM4TTAL3H4 · pith_short_8: 2OBTYOIM

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/2OBTYOIM4TTAL3H4A2SPOJQPV7 \
  | 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: d3833c390ce4e605ecfc06a4f7260fafc661d04fae1045c3f256d0d3d5e10dcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7accdaa4e3a1f05205aa7131a24d51ed49576e1274967b66bc344238cbf46511",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2019-10-31T17:35:00Z",
    "title_canon_sha256": "be9a83831eaca612dfca2ff729e8dcc4c70c08a6ec9b60a420dc885e1f77486d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.14645",
    "kind": "arxiv",
    "version": 1
  }
}