Pith Number

pith:2O4JJEP6

pith:2021:2O4JJEP63QUTZNHRP4G6R62CK2

not attested not anchored not stored refs pending

An inverse source problem for the stochastic wave equation

Meixia Zhao, Peijun Li, Xiaoli Feng, Xu Wang

arxiv:2101.04744 v1 · 2021-01-12 · math.NA · cs.NA

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2O4JJEP63QUTZNHRP4G6R62CK2}

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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

Inverse source problems for the stochastic wave equations

Receipt and verification

First computed	2026-07-05T02:06:34.465428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3b89491fedc293cb4f17f0de8fb4256ba92b772df96e7e7399c637b5b0570fc

Aliases

arxiv: 2101.04744 · arxiv_version: 2101.04744v1 · doi: 10.48550/arxiv.2101.04744 · pith_short_12: 2O4JJEP63QUT · pith_short_16: 2O4JJEP63QUTZNHR · pith_short_8: 2O4JJEP6

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/2O4JJEP63QUTZNHRP4G6R62CK2 \
  | 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: d3b89491fedc293cb4f17f0de8fb4256ba92b772df96e7e7399c637b5b0570fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6339919f4429af56f1ccb90078ff47a850945a1ff95b06a907770f64c0468fa7",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-01-12T20:39:45Z",
    "title_canon_sha256": "914058efb8d2fa9bf0501c4e9294fa9a8510c3aabc8ad0e4fe6b5df7bd294752"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.04744",
    "kind": "arxiv",
    "version": 1
  }
}