Pith Number

pith:TDMXHZ36

pith:2020:TDMXHZ36NRFKW2UXFEDM423YDD

not attested not anchored not stored refs pending

Analytic solution of system of singular nonlinear differential equations with Neumann-Robin boundary conditions arising in astrophysics

Randhir Singh

arxiv:2007.01653 v1 · 2020-07-03 · 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{TDMXHZ36NRFKW2UXFEDM423YDD}

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.

Cited by

1 paper in Pith

Gibbs Phenomena for $L^q$-Best Approximation in Finite Element Spaces -- Some Examples

Receipt and verification

First computed	2026-07-05T01:16:03.723190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98d973e77e6c4aab6a972906ce6b7818f4ee90490f48a4ad09b65ab55da5ffe2

Aliases

arxiv: 2007.01653 · arxiv_version: 2007.01653v1 · doi: 10.48550/arxiv.2007.01653 · pith_short_12: TDMXHZ36NRFK · pith_short_16: TDMXHZ36NRFKW2UX · pith_short_8: TDMXHZ36

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/TDMXHZ36NRFKW2UXFEDM423YDD \
  | 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: 98d973e77e6c4aab6a972906ce6b7818f4ee90490f48a4ad09b65ab55da5ffe2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6406834ff64c0fee774b8a87a4b4a03d6b7d9de6b23cecc4ae236e46894b463",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-07-03T12:47:40Z",
    "title_canon_sha256": "9dee91bc975327601d8c06da81964d55fb9f5fd2d8e8b5e5f0be973e3ecdab5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.01653",
    "kind": "arxiv",
    "version": 1
  }
}