Pith Number

pith:4HMAENQE

pith:2025:4HMAENQEOQZOMR2GGGHMH3NSKR

not attested not anchored not stored refs pending

Inverse source problems for the stochastic wave equations

Shihan Zhang, Yunqing Huang

arxiv:2507.01789 v2 · 2025-07-02 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HMAENQEOQZOMR2GGGHMH3NSKR}

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	2026-07-05T11:34:52.936240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1d80236047432e64746318ec3edb2544b1fcfaa66775c083c0bb71c547d27de

Aliases

arxiv: 2507.01789 · arxiv_version: 2507.01789v2 · doi: 10.48550/arxiv.2507.01789 · pith_short_12: 4HMAENQEOQZO · pith_short_16: 4HMAENQEOQZOMR2G · pith_short_8: 4HMAENQE

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/4HMAENQEOQZOMR2GGGHMH3NSKR \
  | 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: e1d80236047432e64746318ec3edb2544b1fcfaa66775c083c0bb71c547d27de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f08b9ccd29a5ac6d55053114965bb67708829c8b400c8a5d2fb285b53b8a03e",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-07-02T15:14:20Z",
    "title_canon_sha256": "e1a0ed91fb6dd473887bb9d11d3cdcc9b1c40c4b99ce5ae1193389af1b82a28c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.01789",
    "kind": "arxiv",
    "version": 2
  }
}