Pith Number

pith:L2S4BUP7

pith:2012:L2S4BUP7N45ZQHAXBTBOOHPPUO

not attested not anchored not stored refs pending

A new critical curve for a class of quasilinear elliptic systems

Lorenzo D'Ambrosio

arxiv:1209.1901 v2 · 2012-09-10 · 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{L2S4BUP7N45ZQHAXBTBOOHPPUO}

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	2026-05-18T03:44:48.713562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ea5c0d1ff6f3b981c170cc2e71defa3b4f686021a2d310f7e1c197107d732fe

Aliases

arxiv: 1209.1901 · arxiv_version: 1209.1901v2 · doi: 10.48550/arxiv.1209.1901 · pith_short_12: L2S4BUP7N45Z · pith_short_16: L2S4BUP7N45ZQHAX · pith_short_8: L2S4BUP7

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/L2S4BUP7N45ZQHAXBTBOOHPPUO \
  | 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: 5ea5c0d1ff6f3b981c170cc2e71defa3b4f686021a2d310f7e1c197107d732fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e97429fd665b96139c5b399cc18e5d6ab5f22492f16e819a50c36d75ae9a8d15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-09-10T08:21:10Z",
    "title_canon_sha256": "da61ba943b9de710bf41534b09aefcaa90ff6335bd5aa17080055004f807e767"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1901",
    "kind": "arxiv",
    "version": 2
  }
}