Pith Number

pith:3NIAKOIL

pith:2013:3NIAKOILSBP2BBQ7WIKKM4LZJJ

not attested not anchored not stored refs pending

Spatial Fluctuations Of Fluid Velocities In Flow Through A Three-Dimensional Porous Medium

David A. Weitz, Harry Chiang, Sujit S. Datta, T. S. Ramakrishnan

arxiv:1307.4539 v1 · 2013-07-17 · cond-mat.soft · cond-mat.dis-nn · cond-mat.mes-hall · physics.flu-dyn · physics.geo-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{3NIAKOILSBP2BBQ7WIKKM4LZJJ}

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	2026-05-18T03:16:39.918372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db5005390b905fa0861fb214a671794a559dd489bc02580eeb1eebbdd8952367

Aliases

arxiv: 1307.4539 · arxiv_version: 1307.4539v1 · doi: 10.48550/arxiv.1307.4539 · pith_short_12: 3NIAKOILSBP2 · pith_short_16: 3NIAKOILSBP2BBQ7 · pith_short_8: 3NIAKOIL

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/3NIAKOILSBP2BBQ7WIKKM4LZJJ \
  | 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: db5005390b905fa0861fb214a671794a559dd489bc02580eeb1eebbdd8952367

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3764993458e31669d25c8812e56dd0461743df52704901be82858a92823b0939",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cond-mat.mes-hall",
      "physics.flu-dyn",
      "physics.geo-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2013-07-17T08:47:47Z",
    "title_canon_sha256": "b366afbaae8a198bf12ce4e2267e680c821413ce7fd6e0117849c46a0a66acdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4539",
    "kind": "arxiv",
    "version": 1
  }
}