Pith Number

pith:6XAKJT4U

pith:2009:6XAKJT4UJYYLLLUJHP3MUXAWSZ

not attested not anchored not stored refs pending

On the transient nature of localized pipe flow turbulence

A. P. Willis, B. Hof, M. Avila

arxiv:0907.3440 v2 · 2009-07-20 · 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{6XAKJT4UJYYLLLUJHP3MUXAWSZ}

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	2026-05-18T02:55:26.268832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5c0a4cf944e30b5ae893bf6ca5c16967e6688cf4fd0a830b772d3911b4cf616

Aliases

arxiv: 0907.3440 · arxiv_version: 0907.3440v2 · doi: 10.48550/arxiv.0907.3440 · pith_short_12: 6XAKJT4UJYYL · pith_short_16: 6XAKJT4UJYYLLLUJ · pith_short_8: 6XAKJT4U

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/6XAKJT4UJYYLLLUJHP3MUXAWSZ \
  | 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: f5c0a4cf944e30b5ae893bf6ca5c16967e6688cf4fd0a830b772d3911b4cf616

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6137f8762f40e462506cdb14f2077a676e24c56b004f0b50fa8952ae48dc119b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2009-07-20T16:29:06Z",
    "title_canon_sha256": "de4b9215d12397ebf43ac30a039353f8ec876dfdca160efbac327a705cbc5a0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3440",
    "kind": "arxiv",
    "version": 2
  }
}