Pith Number

pith:77WJJZ6V

pith:2018:77WJJZ6VM6ZFFFBHVDIDBBKIPZ

not attested not anchored not stored refs pending

A Stabilized Cut Streamline Diffusion Finite Element Method for Convection-Diffusion Problems on Surfaces

Andre Massing, Erik Burman, Mats G. Larson, Peter Hansbo, Sara Zahedi

arxiv:1807.01480 v1 · 2018-07-04 · math.NA · cs.CE · cs.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{77WJJZ6VM6ZFFFBHVDIDBBKIPZ}

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	2026-05-18T00:10:09.877018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffec94e7d567b2529427a8d03085487e5292ab0400d3a2a1bde45f1ed7c6432b

Aliases

arxiv: 1807.01480 · arxiv_version: 1807.01480v1 · doi: 10.48550/arxiv.1807.01480 · pith_short_12: 77WJJZ6VM6ZF · pith_short_16: 77WJJZ6VM6ZFFFBH · pith_short_8: 77WJJZ6V

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/77WJJZ6VM6ZFFFBHVDIDBBKIPZ \
  | 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: ffec94e7d567b2529427a8d03085487e5292ab0400d3a2a1bde45f1ed7c6432b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c71034a8cb31be53154a8db352c0a0cb1976ae9f3ec216a4a66af3ca4333c339",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-04T08:34:32Z",
    "title_canon_sha256": "0e46a63f8e218e531dbdb90cf183002fddb67f1ae1f032f858ff46f3177459d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01480",
    "kind": "arxiv",
    "version": 1
  }
}