Pith Number

pith:ZWGFRRGY

pith:2022:ZWGFRRGYLET3H25PODJBVQTXMU

not attested not anchored not stored refs pending

Evolving finite elements for advection diffusion with an evolving interface

C. M. Elliott, P. Stepanov, T. Ranner

arxiv:2208.04850 v3 · 2022-08-09 · math.NA · cs.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{ZWGFRRGYLET3H25PODJBVQTXMU}

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	2026-05-17T23:39:18.598434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd8c58c4d85927b3ebaf70d21ac27765222df080ea553e5f52f143b38b7775e1

Aliases

arxiv: 2208.04850 · arxiv_version: 2208.04850v3 · doi: 10.48550/arxiv.2208.04850 · pith_short_12: ZWGFRRGYLET3 · pith_short_16: ZWGFRRGYLET3H25P · pith_short_8: ZWGFRRGY

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/ZWGFRRGYLET3H25PODJBVQTXMU \
  | 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: cd8c58c4d85927b3ebaf70d21ac27765222df080ea553e5f52f143b38b7775e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5ae6e77a3e35fdee51a0b18c387dd9e9643a40233c7180442f811fba57a6746",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-08-09T15:30:54Z",
    "title_canon_sha256": "ab60fc4c46af85b8cbb4bf04f7f1067cd4451ce936eabe259406168b47d4d7f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.04850",
    "kind": "arxiv",
    "version": 3
  }
}