Pith Number

pith:XXLQ3HS5

pith:2019:XXLQ3HS5RBICG2ZYUQBHSBJ66F

not attested not anchored not stored refs pending

Manifold constrained non-uniformly elliptic problems

Cristiana De Filippis, Giuseppe Mingione

arxiv:1903.08854 v1 · 2019-03-21 · 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{XXLQ3HS5RBICG2ZYUQBHSBJ66F}

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	2026-05-17T23:50:43.748745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdd70d9e5d8850236b38a40279053ef17329d07338ee221121b590f1a520c2aa

Aliases

arxiv: 1903.08854 · arxiv_version: 1903.08854v1 · doi: 10.48550/arxiv.1903.08854 · pith_short_12: XXLQ3HS5RBIC · pith_short_16: XXLQ3HS5RBICG2ZY · pith_short_8: XXLQ3HS5

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/XXLQ3HS5RBICG2ZYUQBHSBJ66F \
  | 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: bdd70d9e5d8850236b38a40279053ef17329d07338ee221121b590f1a520c2aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8cb751287bb8786354e0b06cf4af797952dd645c70c713eefde5dbd1aa24f86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-03-21T07:19:39Z",
    "title_canon_sha256": "c89837d2b69c1633db8323e986ac9ca3d0c569ae67795761a9ddd06ee33a1fba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08854",
    "kind": "arxiv",
    "version": 1
  }
}