Pith Number

pith:LCUCQ72C

pith:2015:LCUCQ72CQ6QHU7UMWQEKG73NKZ

not attested not anchored not stored refs pending

Optimal Error Estimates of A Decoupled Scheme Based on Two-Grid Finite Element for Mixed Stokes-Darcy Model

Yanren Hou

arxiv:1509.02260 v2 · 2015-09-08 · 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{LCUCQ72CQ6QHU7UMWQEKG73NKZ}

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	2026-05-18T01:21:15.721301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58a8287f4287a07a7e8cb408a37f6d56517aa75696b748a0dd37261ab35b121a

Aliases

arxiv: 1509.02260 · arxiv_version: 1509.02260v2 · doi: 10.48550/arxiv.1509.02260 · pith_short_12: LCUCQ72CQ6QH · pith_short_16: LCUCQ72CQ6QHU7UM · pith_short_8: LCUCQ72C

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/LCUCQ72CQ6QHU7UMWQEKG73NKZ \
  | 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: 58a8287f4287a07a7e8cb408a37f6d56517aa75696b748a0dd37261ab35b121a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5ee437419dcb87edce32835c7cfa8773a63a056f98bb0234360020e08f9ffba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-09-08T06:49:21Z",
    "title_canon_sha256": "00c206d137e2eed5e73fffc8f9949c10ec19efc9edb121b4e1c981215db51a52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02260",
    "kind": "arxiv",
    "version": 2
  }
}