Pith Number

pith:X3MJ4CGJ

pith:2014:X3MJ4CGJBLC2ZHOCOULMIMG4UO

not attested not anchored not stored refs pending

A Generalized Multiscale Finite Element Method for the Brinkman Equation

Guanglian Li, Juan Galvis, Ke Shi

arxiv:1404.5087 v1 · 2014-04-21 · math.NA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X3MJ4CGJBLC2ZHOCOULMIMG4UO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:53:51.995990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bed89e08c90ac5ac9dc27516c430dca39423dde1b1d3a33389c6f26083262766

Aliases

arxiv: 1404.5087 · arxiv_version: 1404.5087v1 · doi: 10.48550/arxiv.1404.5087 · pith_short_12: X3MJ4CGJBLC2 · pith_short_16: X3MJ4CGJBLC2ZHOC · pith_short_8: X3MJ4CGJ

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/X3MJ4CGJBLC2ZHOCOULMIMG4UO \
  | 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: bed89e08c90ac5ac9dc27516c430dca39423dde1b1d3a33389c6f26083262766

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "215c291853063abd2d26ffd1c0211befb3b919da8f3f0b4d8be8c31f2301fac7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-04-21T00:52:06Z",
    "title_canon_sha256": "fcd2d35e51e753cbc27c2318c822b922eaf18ff4047992d06e3d0b52cf394808"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5087",
    "kind": "arxiv",
    "version": 1
  }
}