Pith Number

pith:GRCUNJ3R

pith:2016:GRCUNJ3R3EM5KLIJVTHIMBAJ74

not attested not anchored not stored refs pending

Stable and convergent approximation of two-dimensional vector fields on unstructured meshes

Qingshan Chen

arxiv:1601.07085 v2 · 2016-01-26 · 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{GRCUNJ3R3EM5KLIJVTHIMBAJ74}

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	2026-05-18T01:20:55.441726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

344546a771d919d52d09acce860409ff02cf1a5e348e2a464a8db95672a88e51

Aliases

arxiv: 1601.07085 · arxiv_version: 1601.07085v2 · doi: 10.48550/arxiv.1601.07085 · pith_short_12: GRCUNJ3R3EM5 · pith_short_16: GRCUNJ3R3EM5KLIJ · pith_short_8: GRCUNJ3R

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/GRCUNJ3R3EM5KLIJVTHIMBAJ74 \
  | 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: 344546a771d919d52d09acce860409ff02cf1a5e348e2a464a8db95672a88e51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a25cfb3a51dae213f8e51987e7b8758072b43a6533052da94bc6d11505eaf42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-01-26T16:28:37Z",
    "title_canon_sha256": "96b93afeb151b253ed4a08ce6dca85faa946d5432835688141b253f9ddd4341a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07085",
    "kind": "arxiv",
    "version": 2
  }
}