Pith Number

pith:PAO4JSSQ

pith:2020:PAO4JSSQ4K5FXKGQCK4G324JA2

not attested not anchored not stored refs pending

Discontinuity-resolving shock-capturing schemes on unstructured grids

Bin Xie, Feng Xiao, Lidong Cheng, Xi Deng, Yi Jiang

arxiv:2003.09223 v1 · 2020-03-20 · physics.comp-ph · 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{PAO4JSSQ4K5FXKGQCK4G324JA2}

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	2026-07-05T00:49:30.292897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

781dc4ca50e2ba5ba8d012b86deb8906b42a958736383d672e34344c4c49fc07

Aliases

arxiv: 2003.09223 · arxiv_version: 2003.09223v1 · doi: 10.48550/arxiv.2003.09223 · pith_short_12: PAO4JSSQ4K5F · pith_short_16: PAO4JSSQ4K5FXKGQ · pith_short_8: PAO4JSSQ

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/PAO4JSSQ4K5FXKGQCK4G324JA2 \
  | 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: 781dc4ca50e2ba5ba8d012b86deb8906b42a958736383d672e34344c4c49fc07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c36f1804d9625f528bc04aa5623e8b0f59f4edf7bea7a3818e6700e442aa82e2",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2020-03-20T12:19:58Z",
    "title_canon_sha256": "4eb04ebdefe9d6eb2525829c860b801783be504d922f62a54739e270d2ffd954"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.09223",
    "kind": "arxiv",
    "version": 1
  }
}