Pith Number

pith:H4CMSQ3A

pith:2007:H4CMSQ3AP3XXUJP5CFVBT4B2DR

not attested not anchored not stored refs pending

Transition in pipe flow: the saddle structure on the boundary of turbulence

Ashley P. Willis, Rich R. Kerswell, Yohann Duguet

arxiv:0711.2175 v2 · 2007-11-14 · 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{H4CMSQ3AP3XXUJP5CFVBT4B2DR}

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	2026-05-18T02:16:09.408731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f04c943607eef7a25fd116a19f03a1c4acab6b64d8721022efaeaf6e9b55043

Aliases

arxiv: 0711.2175 · arxiv_version: 0711.2175v2 · doi: 10.48550/arxiv.0711.2175 · pith_short_12: H4CMSQ3AP3XX · pith_short_16: H4CMSQ3AP3XXUJP5 · pith_short_8: H4CMSQ3A

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/H4CMSQ3AP3XXUJP5CFVBT4B2DR \
  | 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: 3f04c943607eef7a25fd116a19f03a1c4acab6b64d8721022efaeaf6e9b55043

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0da3cf92e34697d12e87aa9ffbc9178933865f92f2a2709d1100defc3792d55c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2007-11-14T12:09:11Z",
    "title_canon_sha256": "927150157e562a7107c2c130489c313f95f9cc73d37c32552dba7599056989bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.2175",
    "kind": "arxiv",
    "version": 2
  }
}