Pith Number

pith:NQB3MD4A

pith:2024:NQB3MD4ACMGLNXWRQ3TUOFDK42

not attested not anchored not stored refs pending

IMEX methods for thin-film equations and Cahn-Hilliard equations with variable mobility

Saulo Orizaga, Thomas Witelski

arxiv:2405.19483 v1 · 2024-05-29 · math.NA · cs.NA · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NQB3MD4ACMGLNXWRQ3TUOFDK42}

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	2026-07-05T08:25:08.078568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c03b60f80130cb6ded186e747146ae6940018dbc0f824533b3aaab4ca38db3b

Aliases

arxiv: 2405.19483 · arxiv_version: 2405.19483v1 · doi: 10.48550/arxiv.2405.19483 · pith_short_12: NQB3MD4ACMGL · pith_short_16: NQB3MD4ACMGLNXWR · pith_short_8: NQB3MD4A

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/NQB3MD4ACMGLNXWRQ3TUOFDK42 \
  | 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: 6c03b60f80130cb6ded186e747146ae6940018dbc0f824533b3aaab4ca38db3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12b9fedc77c1c64d743ecfe6b532cd041c65f3912f95f0a2bea10059d25f7904",
    "cross_cats_sorted": [
      "cs.NA",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-05-29T19:57:02Z",
    "title_canon_sha256": "018351091ac1e3a222f56d86b0e740afb2106849358d685aea19776af1d3e73e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.19483",
    "kind": "arxiv",
    "version": 1
  }
}