Pith Number

pith:UWH5RXI5

pith:2015:UWH5RXI5IPDSIZEI3UTNBA4KHK

not attested not anchored not stored refs pending

A nonlinear time compactness result and applications to discretization of degenerate parabolic-elliptic PDEs

Ayman Moussa (LJLL), Boris Andreianov (LM-Besan\c{c}on), Cl\'ement Canc\`es (LJLL)

arxiv:1504.03891 v1 · 2015-04-15 · math.NA · math.AP · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWH5RXI5IPDSIZEI3UTNBA4KHK}

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	2026-05-18T02:18:41.763068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a58fd8dd1d43c7246488dd26d0838a3a89a5c00170f54925273ac05c9118cdf7

Aliases

arxiv: 1504.03891 · arxiv_version: 1504.03891v1 · doi: 10.48550/arxiv.1504.03891 · pith_short_12: UWH5RXI5IPDS · pith_short_16: UWH5RXI5IPDSIZEI · pith_short_8: UWH5RXI5

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/UWH5RXI5IPDSIZEI3UTNBA4KHK \
  | 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: a58fd8dd1d43c7246488dd26d0838a3a89a5c00170f54925273ac05c9118cdf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26480693da5f75ae2bf6741890cb07dd183301d85629674bee7a2cc42850fa7c",
    "cross_cats_sorted": [
      "math.AP",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-04-15T12:45:29Z",
    "title_canon_sha256": "5a3903a190cfc26df7b5fcb4c0e52b46d5c7bfe3618be598a01ee6e5063ee6cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03891",
    "kind": "arxiv",
    "version": 1
  }
}