Pith Number

pith:HHWGDZLV

pith:2015:HHWGDZLVXSTYHF4WDZJXL7TEVT

not attested not anchored not stored refs pending

Simple finite element schemes for the solution of the curl-div system

Alberto Valli, Ana Alonso Rodr\'iguez, Enrico Bertolazzi

arxiv:1512.08532 v1 · 2015-12-28 · 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{HHWGDZLVXSTYHF4WDZJXL7TEVT}

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	2026-05-18T01:23:37.502376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39ec61e575bca78397961e5375fe64ace48ff6e8aff06cbb133888d0c2baa032

Aliases

arxiv: 1512.08532 · arxiv_version: 1512.08532v1 · doi: 10.48550/arxiv.1512.08532 · pith_short_12: HHWGDZLVXSTY · pith_short_16: HHWGDZLVXSTYHF4W · pith_short_8: HHWGDZLV

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/HHWGDZLVXSTYHF4WDZJXL7TEVT \
  | 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: 39ec61e575bca78397961e5375fe64ace48ff6e8aff06cbb133888d0c2baa032

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05f41506171e461d7f64becddb625f64bd04b5733e1f6384d7c41904e40c703e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-12-28T21:20:14Z",
    "title_canon_sha256": "aedde4faa056728bc2807766fa894ca77023b6d09591864d7cbb4fafb5c91b71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08532",
    "kind": "arxiv",
    "version": 1
  }
}