Pith Number

pith:35AMRJEO

pith:2021:35AMRJEOAW23MJSV6JTU2YZPRL

not attested not anchored not stored refs pending

A robust, high-order implicit shock tracking method for simulation of complex, high-speed flows

Matthew J. Zahr, Tianci Huang

arxiv:2105.00139 v2 · 2021-05-01 · math.NA · cs.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{35AMRJEOAW23MJSV6JTU2YZPRL}

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	2026-07-05T03:54:56.003047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df40c8a48e05b5b62655f2674d632f8ae16ab058ea2fd719e2d19e6c14995ed0

Aliases

arxiv: 2105.00139 · arxiv_version: 2105.00139v2 · doi: 10.48550/arxiv.2105.00139 · pith_short_12: 35AMRJEOAW23 · pith_short_16: 35AMRJEOAW23MJSV · pith_short_8: 35AMRJEO

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/35AMRJEOAW23MJSV6JTU2YZPRL \
  | 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: df40c8a48e05b5b62655f2674d632f8ae16ab058ea2fd719e2d19e6c14995ed0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83cc1b16d4078963a71b03ab3345283ac4f1609930e97b2d99bc6ff7660ec05e",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-05-01T01:10:42Z",
    "title_canon_sha256": "1d9e5db43a08a40e18d2d62bb4f8a94ed115a52d944912f1f678a2e6ba98b7e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00139",
    "kind": "arxiv",
    "version": 2
  }
}