Pith Number

pith:Q233RW4O

pith:2016:Q233RW4O5OTKGJ7XCJYP3HHOO7

not attested not anchored not stored refs pending

A Numerical Investigation of Matrix-Free Implicit Time-Stepping Methods for Large CFD Simulations

Adrian Sandu, Andrew McCall, Arash Sarshar, Brent Pickering, Christopher J. Roy, Paul Tranquilli

arxiv:1607.06834 v2 · 2016-07-22 · cs.CE · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q233RW4O5OTKGJ7XCJYP3HHOO7}

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	2026-05-18T00:33:59.899200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86b7b8db8eeba6a327f71270fd9cee77e6610ca4ac5d929defd662f148e34cbd

Aliases

arxiv: 1607.06834 · arxiv_version: 1607.06834v2 · doi: 10.48550/arxiv.1607.06834 · pith_short_12: Q233RW4O5OTK · pith_short_16: Q233RW4O5OTKGJ7X · pith_short_8: Q233RW4O

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/Q233RW4O5OTKGJ7XCJYP3HHOO7 \
  | 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: 86b7b8db8eeba6a327f71270fd9cee77e6610ca4ac5d929defd662f148e34cbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c1e07d60fdb06aa95139c058d817606cfc708e2300bc3f3d43b78833b55a799",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2016-07-22T20:27:06Z",
    "title_canon_sha256": "6bb6ca398611425c32fc387d2c18992c109eeb912aa99881dcd5fa90305b12f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06834",
    "kind": "arxiv",
    "version": 2
  }
}