Pith Number

pith:PSXAG2BZ

pith:2020:PSXAG2BZRS3OHFXKBVKUNJQ33E

not attested not anchored not stored refs pending

An adaptive central-upwind scheme on quadtree grids for variable density shallow water equations

Abdolmajid Mohammadian, Mohammad A. Ghazizadeh

arxiv:2008.02111 v1 · 2020-08-03 · math.NA · cs.NA · 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{PSXAG2BZRS3OHFXKBVKUNJQ33E}

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.

Cited by

1 paper in Pith

Concepts for Composing Finite Element Function Space Bases

Receipt and verification

First computed	2026-07-05T01:24:58.880098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cae0368398cb6e396ea0d5546a61bd91d2daebd11ea1e13f2e3a3c6d7d6a352

Aliases

arxiv: 2008.02111 · arxiv_version: 2008.02111v1 · doi: 10.48550/arxiv.2008.02111 · pith_short_12: PSXAG2BZRS3O · pith_short_16: PSXAG2BZRS3OHFXK · pith_short_8: PSXAG2BZ

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/PSXAG2BZRS3OHFXKBVKUNJQ33E \
  | 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: 7cae0368398cb6e396ea0d5546a61bd91d2daebd11ea1e13f2e3a3c6d7d6a352

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c94d58ef886b57bdf89bd3fe5e0336a4f536b5e428aec2d160bdf445dbc7652",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-08-03T20:43:59Z",
    "title_canon_sha256": "7713fe8286b38c11eef251ac5f31f1e0fec71401027a7b8eb95e45e016a256fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.02111",
    "kind": "arxiv",
    "version": 1
  }
}