Pith Number

pith:VX4YQK35

pith:2019:VX4YQK35ZYX7X27WYZAVTKI5UF

not attested not anchored not stored refs pending

Reconstruction for the coefficients of a quasilinear elliptic partial differential equation

C\u{a}t\u{a}lin I. C\^arstea, Gen Nakamura, Manmohan Vashisth

arxiv:1903.07034 v2 · 2019-03-17 · 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{VX4YQK35ZYX7X27WYZAVTKI5UF}

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	2026-05-17T23:42:48.320569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adf9882b7dce2ffbebf6c64159a91da168b6c90736a27702b2a6ba7006323530

Aliases

arxiv: 1903.07034 · arxiv_version: 1903.07034v2 · doi: 10.48550/arxiv.1903.07034 · pith_short_12: VX4YQK35ZYX7 · pith_short_16: VX4YQK35ZYX7X27W · pith_short_8: VX4YQK35

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/VX4YQK35ZYX7X27WYZAVTKI5UF \
  | 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: adf9882b7dce2ffbebf6c64159a91da168b6c90736a27702b2a6ba7006323530

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a78776caa3c29955838169cfeaf476751345d733d4833b664488b6e5510d2196",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-03-17T06:27:52Z",
    "title_canon_sha256": "e43971b0fd1f3687488d8a785fd4013da712baf40ff31a88a4cd028617238904"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07034",
    "kind": "arxiv",
    "version": 2
  }
}