Pith Number

pith:QDVIGI45

pith:2015:QDVIGI454GLEQCTQ2XIFXE66FN

not attested not anchored not stored refs pending

An Analysis of the Weak Finite Element Method for Convection-Diffusion Equations

Tie Zhang, Yanli Chen

arxiv:1506.02793 v1 · 2015-06-09 · 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{QDVIGI454GLEQCTQ2XIFXE66FN}

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	2026-05-18T01:55:40.928746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80ea83239de196480a70d5d05b93de2b5687324305f024c203efa546328b0514

Aliases

arxiv: 1506.02793 · arxiv_version: 1506.02793v1 · doi: 10.48550/arxiv.1506.02793 · pith_short_12: QDVIGI454GLE · pith_short_16: QDVIGI454GLEQCTQ · pith_short_8: QDVIGI45

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/QDVIGI454GLEQCTQ2XIFXE66FN \
  | 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: 80ea83239de196480a70d5d05b93de2b5687324305f024c203efa546328b0514

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e942a65599dd2d090bf9374102aca6e7cbcdf1b8505bd0601623be31273c6d61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-06-09T06:27:09Z",
    "title_canon_sha256": "9d75bb25eec81e84c9e01444464727f830b8feafb2a35eba0fdd27d9d0409eab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02793",
    "kind": "arxiv",
    "version": 1
  }
}