Pith Number

pith:I4OJJ27I

pith:2025:I4OJJ27ISKPZVCPT6LCXTPBHOS

not attested not anchored not stored refs pending

An implicit-explicit BDF-Galerkin scheme of second order for the nonlinear thermistor problem

A. Moradi, R. Altmann

arxiv:2508.17004 v2 · 2025-08-23 · 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{I4OJJ27ISKPZVCPT6LCXTPBHOS}

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	2026-05-29T01:04:55.335723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

471c94ebe8929f9a89f3f2c579bc277497fe0ebdcacb64c3d0985a268f3eaaf2

Aliases

arxiv: 2508.17004 · arxiv_version: 2508.17004v2 · doi: 10.48550/arxiv.2508.17004 · pith_short_12: I4OJJ27ISKPZ · pith_short_16: I4OJJ27ISKPZVCPT · pith_short_8: I4OJJ27I

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/I4OJJ27ISKPZVCPT6LCXTPBHOS \
  | 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: 471c94ebe8929f9a89f3f2c579bc277497fe0ebdcacb64c3d0985a268f3eaaf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88be490a747fe20c280e847c3494a256f15a751da738f455fe2c64683d72f2e8",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-08-23T12:22:40Z",
    "title_canon_sha256": "9a93e8dd5d0ed79dbdcd318880f2e3dffca8afc9fc3748337cf041091861f874"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.17004",
    "kind": "arxiv",
    "version": 2
  }
}