Pith Number

pith:F6UVMUVF

pith:2013:F6UVMUVFHDFKHDUGIOKUF5NLZS

not attested not anchored not stored refs pending

Anisotropic finite elements with high aspect ratio for an Asymptotic Preserving method for highly anisotropic elliptic equation

Jacek Narski

arxiv:1302.4269 v1 · 2013-02-18 · 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{F6UVMUVFHDFKHDUGIOKUF5NLZS}

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	2026-05-18T03:33:23.504455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fa95652a538caa38e86439542f5abcca3470bd264e237e37b2cddb7e12f7cc8

Aliases

arxiv: 1302.4269 · arxiv_version: 1302.4269v1 · doi: 10.48550/arxiv.1302.4269 · pith_short_12: F6UVMUVFHDFK · pith_short_16: F6UVMUVFHDFKHDUG · pith_short_8: F6UVMUVF

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/F6UVMUVFHDFKHDUGIOKUF5NLZS \
  | 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: 2fa95652a538caa38e86439542f5abcca3470bd264e237e37b2cddb7e12f7cc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e606691b1a42add6d031f09df43266ad5a658e839c3b3a227e1f606752f909aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-02-18T13:56:37Z",
    "title_canon_sha256": "00bc3ab4b07445598dae282d048798e2c4bcf954eb13b1d43f39b67b12dc4777"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4269",
    "kind": "arxiv",
    "version": 1
  }
}