Pith Number

pith:ZHLXNV2I

pith:2019:ZHLXNV2IMRLOVZQQIVJQECDR56

not attested not anchored not stored refs pending

Three-Scale Singular Limits of Evolutionary PDEs

Bin Cheng, Qiangchang Ju, Steve Schochet

arxiv:1903.05813 v1 · 2019-03-14 · 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{ZHLXNV2IMRLOVZQQIVJQECDR56}

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	2026-05-17T23:51:16.115590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9d776d7486456eae6104553020871ef996206d4f31295c28a69940847ebf2cd

Aliases

arxiv: 1903.05813 · arxiv_version: 1903.05813v1 · doi: 10.48550/arxiv.1903.05813 · pith_short_12: ZHLXNV2IMRLO · pith_short_16: ZHLXNV2IMRLOVZQQ · pith_short_8: ZHLXNV2I

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/ZHLXNV2IMRLOVZQQIVJQECDR56 \
  | 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: c9d776d7486456eae6104553020871ef996206d4f31295c28a69940847ebf2cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b64826b42ef87c053e06b2094d8fa0d09929365c8ea1d78979cce9c8bedf4ebf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-03-14T04:48:09Z",
    "title_canon_sha256": "97e3c8044aa8098dad0c96bbbe3887c2fa16cbf5b459559d9d5709236f482385"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05813",
    "kind": "arxiv",
    "version": 1
  }
}