Pith Number

pith:YHQTKLRO

pith:2008:YHQTKLROUJYHLJMPVJHB6LV4U4

not attested not anchored not stored refs pending

Predictor-Corrector Preconditioners for Newton-Krylov Solvers in Fluid Problems

G. Lapenta, S. Ju

arxiv:0804.0150 v1 · 2008-04-01 · physics.comp-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{YHQTKLROUJYHLJMPVJHB6LV4U4}

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	2026-07-04T15:10:33.631108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1e1352e2ea27075a58faa4e1f2ebca70152600e4931dc9ddc331b0271151a11

Aliases

arxiv: 0804.0150 · arxiv_version: 0804.0150v1 · doi: 10.48550/arxiv.0804.0150 · pith_short_12: YHQTKLROUJYH · pith_short_16: YHQTKLROUJYHLJMP · pith_short_8: YHQTKLRO

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/YHQTKLROUJYHLJMPVJHB6LV4U4 \
  | 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: c1e1352e2ea27075a58faa4e1f2ebca70152600e4931dc9ddc331b0271151a11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35a7a9cba241d14c8e8af22386423a9898a9db5ab0302a2e023a10d5d9402591",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2008-04-01T12:04:19Z",
    "title_canon_sha256": "56b617bb51681e85e2659df946194fbfb57a5def8c3fbb96eb152edfde7f5770"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.0150",
    "kind": "arxiv",
    "version": 1
  }
}