Pith Number

pith:MR2LNUGU

pith:2015:MR2LNUGUZTCRX7DQPKGRRLR5JZ

not attested not anchored not stored refs pending

A study on iterative methods for solving Richards` equation

Florian List, Florin Adrian Radu

arxiv:1507.07837 v1 · 2015-07-28 · 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{MR2LNUGUZTCRX7DQPKGRRLR5JZ}

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	2026-05-18T00:43:21.322580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6474b6d0d4ccc51bfc707a8d18ae3d4e49688c31b79f9094cd76ea8d68e610ba

Aliases

arxiv: 1507.07837 · arxiv_version: 1507.07837v1 · doi: 10.48550/arxiv.1507.07837 · pith_short_12: MR2LNUGUZTCR · pith_short_16: MR2LNUGUZTCRX7DQ · pith_short_8: MR2LNUGU

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/MR2LNUGUZTCRX7DQPKGRRLR5JZ \
  | 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: 6474b6d0d4ccc51bfc707a8d18ae3d4e49688c31b79f9094cd76ea8d68e610ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fa32aa33101587593e95f733b22cd198435de538ea6ce33d2fc2a829186c65b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-07-28T16:37:53Z",
    "title_canon_sha256": "65c45d844dba053acbc5683ebee03396b96074b7951c90cd4273a575d6b871b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07837",
    "kind": "arxiv",
    "version": 1
  }
}