Pith Number

pith:NCCJL5TT

pith:2016:NCCJL5TT6TE5BXB345RG66BMKU

not attested not anchored not stored refs pending

Analysis of the SDFEM in a modified streamline diffusion norm for singularly perturbed convection diffusion problems

Jin Zhang, Xiaowei Liu

arxiv:1603.02099 v2 · 2016-02-29 · 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{NCCJL5TT6TE5BXB345RG66BMKU}

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	2026-05-18T01:09:41.697303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

688495f673f4c9d0dc3be7626f782c5511460e4e0866ae366573be5581930ef9

Aliases

arxiv: 1603.02099 · arxiv_version: 1603.02099v2 · doi: 10.48550/arxiv.1603.02099 · pith_short_12: NCCJL5TT6TE5 · pith_short_16: NCCJL5TT6TE5BXB3 · pith_short_8: NCCJL5TT

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/NCCJL5TT6TE5BXB345RG66BMKU \
  | 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: 688495f673f4c9d0dc3be7626f782c5511460e4e0866ae366573be5581930ef9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "352001433b0dce09987fd15048448a92108237f408f37276f6331c8e1f36d73c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-29T01:19:32Z",
    "title_canon_sha256": "486ee59e1ff8f8e2af3629721fa031b43c44486779681d4ffd8c7ef10f155ace"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02099",
    "kind": "arxiv",
    "version": 2
  }
}