Pith Number

pith:HZTS4ZNZ

pith:2013:HZTS4ZNZNFMM6MWLQPS7OJ7IWA

not attested not anchored not stored refs pending

Effective viscosity of non-gravitactic Chlamydomonas Reinhardtii microswimmer suspensions

Christian Wagner, Matthias Mussler, Philippe Peyla, Salima Rafai

arxiv:1310.1482 v1 · 2013-10-05 · physics.bio-ph · cond-mat.soft · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HZTS4ZNZNFMM6MWLQPS7OJ7IWA}

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	2026-05-18T03:11:11.853683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e672e65b96958cf32cb83e5f727e8b035f32486cf89069c7a393757e078c654

Aliases

arxiv: 1310.1482 · arxiv_version: 1310.1482v1 · doi: 10.48550/arxiv.1310.1482 · pith_short_12: HZTS4ZNZNFMM · pith_short_16: HZTS4ZNZNFMM6MWL · pith_short_8: HZTS4ZNZ

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/HZTS4ZNZNFMM6MWLQPS7OJ7IWA \
  | 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: 3e672e65b96958cf32cb83e5f727e8b035f32486cf89069c7a393757e078c654

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dff4619890e233118181534bd498932c54ede9fa9964c536d400f7254d8e78fd",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2013-10-05T14:46:58Z",
    "title_canon_sha256": "9190c917ad4226916196dfd921c5b482cf190bff6075404d64498e639360f699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.1482",
    "kind": "arxiv",
    "version": 1
  }
}