Pith Number

pith:NDHQQZRK

pith:2010:NDHQQZRKH5ERX32AA5VFFGEM7Q

not attested not anchored not stored refs pending

Duality-based Asymptotic-Preserving method for highly anisotropic diffusion equations

Alexei Lozinski, Claudia Negulescu, Fabrice Deluzet, Jacek Narski, Pierre Degond

arxiv:1008.3405 v1 · 2010-08-19 · math.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{NDHQQZRKH5ERX32AA5VFFGEM7Q}

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	2026-05-18T02:54:47.561026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68cf08662a3f491bef40076a52988cfc342aebdaed5b6d10df44cca7f8a31c78

Aliases

arxiv: 1008.3405 · arxiv_version: 1008.3405v1 · doi: 10.48550/arxiv.1008.3405 · pith_short_12: NDHQQZRKH5ER · pith_short_16: NDHQQZRKH5ERX32A · pith_short_8: NDHQQZRK

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/NDHQQZRKH5ERX32AA5VFFGEM7Q \
  | 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: 68cf08662a3f491bef40076a52988cfc342aebdaed5b6d10df44cca7f8a31c78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bb5e3e37784d4fc1897f02a89efa947b02639adb3105e063cdd8921f4a44598",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2010-08-19T22:24:51Z",
    "title_canon_sha256": "2759d0233b6097689c9dde29c6bd18e3cce325991b0a043ece84a49a96661c46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3405",
    "kind": "arxiv",
    "version": 1
  }
}