Pith Number

pith:ZTMOTBI6

pith:2021:ZTMOTBI6ZH47MLMMZQYDBUOQ5I

not attested not anchored not stored refs pending

On the the critical exponent for the semilinear Euler-Poisson-Darboux-Tricomi equation with power nonlinearity

Alessandro Palmieri

arxiv:2105.09879 v2 · 2021-05-20 · 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{ZTMOTBI6ZH47MLMMZQYDBUOQ5I}

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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.

Cited by

1 paper in Pith

Lifespan estimate for the semilinear regular Euler-Poisson-Darboux-Tricomi equation

Receipt and verification

First computed	2026-07-05T10:50:39.297482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccd8e9851ec9f9f62d8ccc3030d1d0ea1fb092de4a88cdb7ef26ea78227c89ca

Aliases

arxiv: 2105.09879 · arxiv_version: 2105.09879v2 · doi: 10.48550/arxiv.2105.09879 · pith_short_12: ZTMOTBI6ZH47 · pith_short_16: ZTMOTBI6ZH47MLMM · pith_short_8: ZTMOTBI6

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/ZTMOTBI6ZH47MLMMZQYDBUOQ5I \
  | 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: ccd8e9851ec9f9f62d8ccc3030d1d0ea1fb092de4a88cdb7ef26ea78227c89ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0929b3ff08e3ae63d949525097e8201aaa88cc5a131b65cbd7e04226b26881e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2021-05-20T16:25:47Z",
    "title_canon_sha256": "6fe86a61e262c015c8becb0f51869cad67f94eb6c2b74876e2ae1ea6f5f196db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.09879",
    "kind": "arxiv",
    "version": 2
  }
}