Pith Number

pith:PTGRCER7

pith:2021:PTGRCER7LWUFFFALOSA7E4KAZB

not attested not anchored not stored refs pending

An Assessment of Solvers for Algebraically Stabilized Discretizations of Convection-Diffusion-Reaction Equations

Abhinav Jha, Dmitri Kuzmin, Naveed Ahmed, Ond\v{r}ej P\'artl

arxiv:2110.15676 v1 · 2021-10-29 · math.NA · cs.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{PTGRCER7LWUFFFALOSA7E4KAZB}

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	2026-07-05T07:32:55.843111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ccd11123f5da852940b7481f27140c877eb0f1865c69aaf77ac70a540fc26f9

Aliases

arxiv: 2110.15676 · arxiv_version: 2110.15676v1 · doi: 10.48550/arxiv.2110.15676 · pith_short_12: PTGRCER7LWUF · pith_short_16: PTGRCER7LWUFFFAL · pith_short_8: PTGRCER7

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/PTGRCER7LWUFFFALOSA7E4KAZB \
  | 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: 7ccd11123f5da852940b7481f27140c877eb0f1865c69aaf77ac70a540fc26f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3357a16b74f5ee294d8837092def8dedae50f3be9d2cacdd0804e4eedef726d7",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-10-29T10:46:17Z",
    "title_canon_sha256": "117b90f3aa3f0b7bc889dbb13f8fb766b9c581b90073f9ac8c4dd76ea2e1001e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.15676",
    "kind": "arxiv",
    "version": 1
  }
}