Pith Number

pith:ESPHIUEQ

pith:2019:ESPHIUEQ2U2M376XSSKJJ36PYE

not attested not anchored not stored refs pending

Evolution equations involving nonlinear truncated Laplacian operators

Isabeau Birindelli (Sapienza University of Rome), Matthieu Alfaro (IMAG)

arxiv:1903.11276 v1 · 2019-03-27 · 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{ESPHIUEQ2U2M376XSSKJJ36PYE}

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	2026-05-17T23:50:03.683820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

249e745090d534cdffd7949494efcfc100e872f7874d191a6ce7d0b4de88c49d

Aliases

arxiv: 1903.11276 · arxiv_version: 1903.11276v1 · doi: 10.48550/arxiv.1903.11276 · pith_short_12: ESPHIUEQ2U2M · pith_short_16: ESPHIUEQ2U2M376X · pith_short_8: ESPHIUEQ

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/ESPHIUEQ2U2M376XSSKJJ36PYE \
  | 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: 249e745090d534cdffd7949494efcfc100e872f7874d191a6ce7d0b4de88c49d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71d0e8a21d1238d2f23cca2bcd8336ffbb391d08ba2d0af50c60d7d1f4b17cbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-03-27T07:33:46Z",
    "title_canon_sha256": "17be141415f4c85a4f3b661ab0649be927def4c1eeb7e71719201a8d7d0c81b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11276",
    "kind": "arxiv",
    "version": 1
  }
}