Pith Number

pith:3O3JBC45

pith:2021:3O3JBC45FZHCFOUF34LZ3GLFUR

not attested not anchored not stored refs pending

Riemann solvers and pressure gradients in Godunov-type schemes for variable density incompressible flows

Caspar J. M. Hewett, Shannon Leakey, Vassilis Glenis

arxiv:2108.08769 v1 · 2021-08-19 · 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{3O3JBC45FZHCFOUF34LZ3GLFUR}

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	2026-07-05T04:02:55.732212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbb6908b9d2e4e22ba85df179d9965a44bb175638044fe149f39ba239e3b09ad

Aliases

arxiv: 2108.08769 · arxiv_version: 2108.08769v1 · doi: 10.48550/arxiv.2108.08769 · pith_short_12: 3O3JBC45FZHC · pith_short_16: 3O3JBC45FZHCFOUF · pith_short_8: 3O3JBC45

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/3O3JBC45FZHCFOUF34LZ3GLFUR \
  | 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: dbb6908b9d2e4e22ba85df179d9965a44bb175638044fe149f39ba239e3b09ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9ea5dff67d093617c105002eabab1563a2d655047987be616c253b2e12ebd13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-08-19T16:20:53Z",
    "title_canon_sha256": "6bec12e91ecf3278702a58e01f56099ee69b4d226dc11a20ad47f3f4cf5109d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.08769",
    "kind": "arxiv",
    "version": 1
  }
}