Pith Number

pith:ETPXRJS7

pith:2008:ETPXRJS7WXQOE5HCLWX3FXUC4F

not attested not anchored not stored refs pending

Discretisation of heterogeneous and anisotropic diffusion problems on general non-conforming meshes. SUSHI: a scheme using stabilisation and hybrid interfaces

Raphaele Herbin (LATP), Robert Eymard (LETEM), Thierry Gallou\"et (LATP)

arxiv:0801.1430 v5 · 2008-01-09 · 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{ETPXRJS7WXQOE5HCLWX3FXUC4F}

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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	2026-06-03T22:06:03.993778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24df78a65fb5e0e274e25dafb2de82e1758ff31231ccb7f99ad712a29945013a

Aliases

arxiv: 0801.1430 · arxiv_version: 0801.1430v5 · doi: 10.48550/arxiv.0801.1430 · pith_short_12: ETPXRJS7WXQO · pith_short_16: ETPXRJS7WXQOE5HC · pith_short_8: ETPXRJS7

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/ETPXRJS7WXQOE5HCLWX3FXUC4F \
  | 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: 24df78a65fb5e0e274e25dafb2de82e1758ff31231ccb7f99ad712a29945013a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29ee7eb494bcf5a86749992c2de278bcd2acee0921417c15d01e8a63d523ecd7",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-01-09T14:01:20Z",
    "title_canon_sha256": "8722215a66cf06d9bada12407b891ee5af9a1849a93132f762f68da6b319ed5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.1430",
    "kind": "arxiv",
    "version": 5
  }
}