Pith Number

pith:PXSQ3U7P

pith:2014:PXSQ3U7P46FK7OXON5S2RYQYIN

not attested not anchored not stored refs pending

A modified $P_1$ - immersed finite element method

Do Y. Kwak, Juho Lee

arxiv:1408.4214 v2 · 2014-08-19 · 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{PXSQ3U7P46FK7OXON5S2RYQYIN}

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	2026-05-18T01:37:23.410824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7de50dd3efe78aafbaee6f65a8e218434dbc0914b3df4c31955896753295c542

Aliases

arxiv: 1408.4214 · arxiv_version: 1408.4214v2 · doi: 10.48550/arxiv.1408.4214 · pith_short_12: PXSQ3U7P46FK · pith_short_16: PXSQ3U7P46FK7OXO · pith_short_8: PXSQ3U7P

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/PXSQ3U7P46FK7OXON5S2RYQYIN \
  | 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: 7de50dd3efe78aafbaee6f65a8e218434dbc0914b3df4c31955896753295c542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbb295bbf2038cf8cfeb1e6bce76a1d81b4eea36ad31e3d6503c13b5295dc67f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-08-19T05:25:55Z",
    "title_canon_sha256": "3e1d5a044631abd2858904d6da93b5e4d326a7785b16eeb1f356b73d1a7ba407"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4214",
    "kind": "arxiv",
    "version": 2
  }
}