Pith Number

pith:BQ7XW3PE

pith:2017:BQ7XW3PE3IF5BPHANNHECPO4TH

not attested not anchored not stored refs pending

A Smooth Partition of Unity Finite Element Method for Vortex Particle Regularization

Matthias Kirchhart, Shinnosuke Obi

arxiv:1706.06795 v1 · 2017-06-21 · 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{BQ7XW3PE3IF5BPHANNHECPO4TH}

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	2026-05-18T00:31:55.789586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c3f7b6de4da0bd0bce06b4e413ddc99e938ad03629bd8358a65423d4eb92e38

Aliases

arxiv: 1706.06795 · arxiv_version: 1706.06795v1 · doi: 10.48550/arxiv.1706.06795 · pith_short_12: BQ7XW3PE3IF5 · pith_short_16: BQ7XW3PE3IF5BPHA · pith_short_8: BQ7XW3PE

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/BQ7XW3PE3IF5BPHANNHECPO4TH \
  | 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: 0c3f7b6de4da0bd0bce06b4e413ddc99e938ad03629bd8358a65423d4eb92e38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88133c55b658b471210c0c513325bc4ffdcf4985cfb8e9452a8d9bf4fcabc690",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-06-21T08:59:40Z",
    "title_canon_sha256": "65f822d327f94377e0acc7540c49b6177fca7b442b9370cd2075f5a56342e5e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06795",
    "kind": "arxiv",
    "version": 1
  }
}