Pith Number

pith:UHHRHHID

pith:2013:UHHRHHIDFKYHGCVNXIRRYV2Q7X

not attested not anchored not stored refs pending

Entropy-dissipative discretization of nonlinear diffusion equations and discrete Beckner inequalities

Ansgar J\"ungel, Claire Chainais-Hillairet, Stefan Schuchnigg

arxiv:1303.3791 v1 · 2013-03-15 · 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{UHHRHHIDFKYHGCVNXIRRYV2Q7X}

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	2026-05-18T03:30:52.366729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1cf139d032ab0730aadba231c5750fdf52ea075e4f4f9942a95dd005e14a7c7

Aliases

arxiv: 1303.3791 · arxiv_version: 1303.3791v1 · doi: 10.48550/arxiv.1303.3791 · pith_short_12: UHHRHHIDFKYH · pith_short_16: UHHRHHIDFKYHGCVN · pith_short_8: UHHRHHID

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/UHHRHHIDFKYHGCVNXIRRYV2Q7X \
  | 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: a1cf139d032ab0730aadba231c5750fdf52ea075e4f4f9942a95dd005e14a7c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f09523bbcd3092eda9ea7b41f90f1ef079260db97758646e797af7f3c6c2dc4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-03-15T14:47:29Z",
    "title_canon_sha256": "95b890f56e5625e846f20af68f30d65b8e9595434c8f6f5a98dd64d5c3e58e26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3791",
    "kind": "arxiv",
    "version": 1
  }
}