Pith Number

pith:BHXTXUP2

pith:2017:BHXTXUP22H2XV53V7RIQZVU3CM

not attested not anchored not stored refs pending

A Simple Finite Element Method for Elliptic Bulk Problems with Embedded Surfaces

Erik Burman, Mats G. Larson, Peter Hansbo

arxiv:1709.00972 v1 · 2017-09-04 · 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{BHXTXUP22H2XV53V7RIQZVU3CM}

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	2026-05-18T00:36:04.587313Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09ef3bd1fad1f57af775fc510cd69b1306fddd992ca5f44a4d772d10b850a17b

Aliases

arxiv: 1709.00972 · arxiv_version: 1709.00972v1 · doi: 10.48550/arxiv.1709.00972 · pith_short_12: BHXTXUP22H2X · pith_short_16: BHXTXUP22H2XV53V · pith_short_8: BHXTXUP2

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/BHXTXUP22H2XV53V7RIQZVU3CM \
  | 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: 09ef3bd1fad1f57af775fc510cd69b1306fddd992ca5f44a4d772d10b850a17b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "897040b164b727f5bee5a7a57cff4c7f2b6d2c11790671b0734cabdce265cd95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-09-04T14:20:02Z",
    "title_canon_sha256": "5ad4d2fec7ade4aa1bf59ae77f45d183c7420944edd5311c3554fb1f99a9a412"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00972",
    "kind": "arxiv",
    "version": 1
  }
}