Pith Number

pith:TXKN7JVL

pith:2018:TXKN7JVL2457TXAESHIGLISAQ7

not attested not anchored not stored refs pending

Squeezed in three dimensions, moving in two: Hydrodynamic theory of 3D incompressible easy-plane polar active fluids

Chiu Fan Lee, John Toner, Leiming Chen

arxiv:1805.07930 v1 · 2018-05-21 · cond-mat.soft · cond-mat.stat-mech · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TXKN7JVL2457TXAESHIGLISAQ7}

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	2026-05-18T00:01:59.338512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dd4dfa6abd73bf9dc0491d065a24087ec277abbc3e495ff53d74fa826fc61ab

Aliases

arxiv: 1805.07930 · arxiv_version: 1805.07930v1 · doi: 10.48550/arxiv.1805.07930 · pith_short_12: TXKN7JVL2457 · pith_short_16: TXKN7JVL2457TXAE · pith_short_8: TXKN7JVL

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/TXKN7JVL2457TXAESHIGLISAQ7 \
  | 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: 9dd4dfa6abd73bf9dc0491d065a24087ec277abbc3e495ff53d74fa826fc61ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "954a83b938bfeffd31d200cb14b34d14591a489abfe7bee3eb0339b0618e6c7d",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2018-05-21T07:51:17Z",
    "title_canon_sha256": "50752317b578d90df3591af7ea82a3b2ed059b50c81c6df4063624d3c6e6074d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07930",
    "kind": "arxiv",
    "version": 1
  }
}