Pith Number

pith:UCRUTIWO

pith:2016:UCRUTIWO5DMSINLHFSE2E2JROO

not attested not anchored not stored refs pending

On algorithms with good mesh properties for problems with moving boundaries based on the Harmonic Map Heat Flow and the DeTurck trick

Charles M. Elliott, Hans Fritz

arxiv:1609.03373 v1 · 2016-09-12 · 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{UCRUTIWO5DMSINLHFSE2E2JROO}

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	2026-05-18T01:04:47.083903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0a349a2cee8d92435672c89a26931738f26b25a9a867036752685641d27f8aa

Aliases

arxiv: 1609.03373 · arxiv_version: 1609.03373v1 · doi: 10.48550/arxiv.1609.03373 · pith_short_12: UCRUTIWO5DMS · pith_short_16: UCRUTIWO5DMSINLH · pith_short_8: UCRUTIWO

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/UCRUTIWO5DMSINLHFSE2E2JROO \
  | 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: a0a349a2cee8d92435672c89a26931738f26b25a9a867036752685641d27f8aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a572ba7f73cdf9f381269a92525096ed1172f459f463203cd5e02cf21e1177c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-09-12T12:48:42Z",
    "title_canon_sha256": "cd43a967f4454cc26a35a2910cd4e872eb062cebeeb6f609b7b34880b16bc5db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03373",
    "kind": "arxiv",
    "version": 1
  }
}