Pith Number

pith:7OI7X4L3

pith:2013:7OI7X4L3WPZU6QB4PQGFEMJ57X

not attested not anchored not stored refs pending

A Simple and Efficient Preconditioning Scheme for Heaviside Enriched XFEM

Alireza Doostan, Christapher Lang, David Makhija, Kurt Maute

arxiv:1312.6092 v1 · 2013-12-20 · 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{7OI7X4L3WPZU6QB4PQGFEMJ57X}

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	2026-05-18T03:04:07.159169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb91fbf17bb3f34f403c7c0c52313dfdc9b64a5333a9e86a011043efa07cd26e

Aliases

arxiv: 1312.6092 · arxiv_version: 1312.6092v1 · doi: 10.48550/arxiv.1312.6092 · pith_short_12: 7OI7X4L3WPZU · pith_short_16: 7OI7X4L3WPZU6QB4 · pith_short_8: 7OI7X4L3

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/7OI7X4L3WPZU6QB4PQGFEMJ57X \
  | 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: fb91fbf17bb3f34f403c7c0c52313dfdc9b64a5333a9e86a011043efa07cd26e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c03044d6f695369b6f01f4bdcbca8d4b1051c6dde2640f9b7cbe048c9ecee014",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-12-20T19:57:34Z",
    "title_canon_sha256": "320647b01a46b0f2767cdee00e66cbe86a55dfddd18043a28241b97662d5aab5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6092",
    "kind": "arxiv",
    "version": 1
  }
}