Pith Number

pith:5Q5JPL53

pith:2012:5Q5JPL53UR3DSACQ7R44IGF2PS

not attested not anchored not stored refs pending

Propagation of hydrodynamic interactions between particles in a compressible fluid

Rei Tatsumi, Ryoichi Yamamoto

arxiv:1211.4237 v2 · 2012-11-18 · 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{5Q5JPL53UR3DSACQ7R44IGF2PS}

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	2026-05-18T01:53:03.225235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec3a97afbba476390050fc79c418ba7ca41390e33aac21d4de5db2dd3b45feb5

Aliases

arxiv: 1211.4237 · arxiv_version: 1211.4237v2 · doi: 10.48550/arxiv.1211.4237 · pith_short_12: 5Q5JPL53UR3D · pith_short_16: 5Q5JPL53UR3DSACQ · pith_short_8: 5Q5JPL53

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/5Q5JPL53UR3DSACQ7R44IGF2PS \
  | 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: ec3a97afbba476390050fc79c418ba7ca41390e33aac21d4de5db2dd3b45feb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "507ffe14125e51320552afdb6a8e93a728cdadc3a7cd814478c624f7ff874cbc",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2012-11-18T17:19:27Z",
    "title_canon_sha256": "215a6b08bc1e958cb966745b2b2f32991217b0fa8b94f9adeb2fbbfe6eccbd4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4237",
    "kind": "arxiv",
    "version": 2
  }
}