Pith Number

pith:NN4YXKGK

pith:2018:NN4YXKGKDVKZ2HFKEWTR5PS3UK

not attested not anchored not stored refs pending

Interior second derivative estimates for nonlinear diffusions

Fernando Quiros, Gregoire Loeper

arxiv:1812.11253 v1 · 2018-12-29 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NN4YXKGKDVKZ2HFKEWTR5PS3UK}

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	2026-05-17T23:57:12.422119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b798ba8ca1d559d1caa25a71ebe5ba2abb84e873431dff9a383606f6d3d197f

Aliases

arxiv: 1812.11253 · arxiv_version: 1812.11253v1 · doi: 10.48550/arxiv.1812.11253 · pith_short_12: NN4YXKGKDVKZ · pith_short_16: NN4YXKGKDVKZ2HFK · pith_short_8: NN4YXKGK

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/NN4YXKGKDVKZ2HFKEWTR5PS3UK \
  | 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: 6b798ba8ca1d559d1caa25a71ebe5ba2abb84e873431dff9a383606f6d3d197f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05899a6015b9028ceb921788a9bd64e41bd31cc590c7d09177727651074b4b98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-12-29T00:36:29Z",
    "title_canon_sha256": "627ec3de2847f1c21e90092180da08b2055c79d04d013954d3ffbaca3d87f701"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11253",
    "kind": "arxiv",
    "version": 1
  }
}