Pith Number

pith:7ZW3IJED

pith:2015:7ZW3IJEDJOT35DEJ5KYZAFRAMQ

not attested not anchored not stored refs pending

Stabilized CutFEM for the Convection Problem on Surfaces

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

arxiv:1511.02340 v1 · 2015-11-07 · 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{7ZW3IJEDJOT35DEJ5KYZAFRAMQ}

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	2026-05-18T01:27:30.588909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe6db424834ba7be8c89eab19016206405725332fd11584d0fc6a0913056d8e2

Aliases

arxiv: 1511.02340 · arxiv_version: 1511.02340v1 · doi: 10.48550/arxiv.1511.02340 · pith_short_12: 7ZW3IJEDJOT3 · pith_short_16: 7ZW3IJEDJOT35DEJ · pith_short_8: 7ZW3IJED

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/7ZW3IJEDJOT35DEJ5KYZAFRAMQ \
  | 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: fe6db424834ba7be8c89eab19016206405725332fd11584d0fc6a0913056d8e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1b08a53887928f46194e9bfbb139f482fb8e3b9d89dda152d3bea529f268474",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-11-07T11:12:19Z",
    "title_canon_sha256": "54ed3d65142c7fb9c733d30a64e9bd8db13989eb7aac7ae6c749cdaf0faeca47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02340",
    "kind": "arxiv",
    "version": 1
  }
}