Pith Number

pith:MGGXTMLG

pith:2013:MGGXTMLGHPE5B7BDUIWY7XLESC

not attested not anchored not stored refs pending

Inverse problem for the wave equation with a white noise source

Lauri Oksanen, Matti Lassas, Tapio Helin

arxiv:1308.4879 v2 · 2013-08-22 · math.AP · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MGGXTMLGHPE5B7BDUIWY7XLESC}

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	2026-05-18T01:48:04.652336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

618d79b1663bc9d0fc23a22d8fdd649083685bb9f4949e7d501157e1a06660f3

Aliases

arxiv: 1308.4879 · arxiv_version: 1308.4879v2 · doi: 10.48550/arxiv.1308.4879 · pith_short_12: MGGXTMLGHPE5 · pith_short_16: MGGXTMLGHPE5B7BD · pith_short_8: MGGXTMLG

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/MGGXTMLGHPE5B7BDUIWY7XLESC \
  | 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: 618d79b1663bc9d0fc23a22d8fdd649083685bb9f4949e7d501157e1a06660f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5163d7fe8ebf97e282de31d5bb962e8c8c93402a61c90f4dac39281e1569d0b",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-08-22T14:37:09Z",
    "title_canon_sha256": "11b9f14a47fcb4bd77a2a74db2ead4d77771ec61ac29d1de0f38ba70ab6335ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4879",
    "kind": "arxiv",
    "version": 2
  }
}