Pith Number

pith:WDZHQ3YB

pith:2009:WDZHQ3YBMENMMY6QELSNJ7AOYW

not attested not anchored not stored refs pending

On the two-phase Navier-Stokes equations with surface tension

Gieri Simonett, Jan Pruess

arxiv:0908.3327 v1 · 2009-08-23 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDZHQ3YBMENMMY6QELSNJ7AOYW}

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	2026-05-18T00:54:51.384179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0f2786f01611ac663d022e4d4fc0ec59eab58a1d7049f9a4759173b13410cb1

Aliases

arxiv: 0908.3327 · arxiv_version: 0908.3327v1 · doi: 10.48550/arxiv.0908.3327 · pith_short_12: WDZHQ3YBMENM · pith_short_16: WDZHQ3YBMENMMY6Q · pith_short_8: WDZHQ3YB

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/WDZHQ3YBMENMMY6QELSNJ7AOYW \
  | 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: b0f2786f01611ac663d022e4d4fc0ec59eab58a1d7049f9a4759173b13410cb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1bc47b8aa42bf7328bca8d499f063d864d17184897c0a05c2f32229bab9a2e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-08-23T18:42:14Z",
    "title_canon_sha256": "4755f355cbd466ac9c046ec51f371fbf6650e06bf8120df8e78703e259ad6abc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3327",
    "kind": "arxiv",
    "version": 1
  }
}