Pith Number

pith:5CMA3QL4

pith:2019:5CMA3QL4LKVBVZ4BISPZU6OUOD

not attested not anchored not stored refs pending

Conditional stability for an inverse source problem and an application to the estimation of air dose rate radioactive substances by drone data

G.Floridia, J. Cheng, M. Yamamoto, Y. Chen, Y. Wada

arxiv:1904.11551 v1 · 2019-04-25 · 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{5CMA3QL4LKVBVZ4BISPZU6OUOD}

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	2026-05-17T23:47:43.399344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8980dc17c5aaa1ae781449f9a79d470ec43468dd8a23ffc506fbb3a45fc9b18

Aliases

arxiv: 1904.11551 · arxiv_version: 1904.11551v1 · doi: 10.48550/arxiv.1904.11551 · pith_short_12: 5CMA3QL4LKVB · pith_short_16: 5CMA3QL4LKVBVZ4B · pith_short_8: 5CMA3QL4

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/5CMA3QL4LKVBVZ4BISPZU6OUOD \
  | 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: e8980dc17c5aaa1ae781449f9a79d470ec43468dd8a23ffc506fbb3a45fc9b18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "314981bc4c6709e0593bd19b3db1db0cb80300554b35a56f922a0b10b101e821",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-04-25T19:43:03Z",
    "title_canon_sha256": "873972a182f7b807120147377d49e87971a7f145842ff45aee7e3de4fdd79c61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11551",
    "kind": "arxiv",
    "version": 1
  }
}