pith. sign in
Pith Number

pith:PXFGAWPP

pith:2018:PXFGAWPPBNJEFFUXQT6ZXNPURI
not attested not anchored not stored refs pending

Stable source reconstruction from a finite number of measurements in the Multi-frequency Inverse Source Problem

Adrian Kirkeby, Kim Knudsen, Mirza Karamehmedovi\'c

arxiv:1803.05010 v1 · 2018-03-13 · math.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PXFGAWPPBNJEFFUXQT6ZXNPURI}

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 2026-05-18T00:15:15.407965Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7dca6059ef0b5242969784fd9bb5f48a141edde975005336f490f0e76ed0bee5

Aliases

arxiv: 1803.05010 · arxiv_version: 1803.05010v1 · doi: 10.48550/arxiv.1803.05010 · pith_short_12: PXFGAWPPBNJE · pith_short_16: PXFGAWPPBNJEFFUX · pith_short_8: PXFGAWPP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PXFGAWPPBNJEFFUXQT6ZXNPURI \
  | 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: 7dca6059ef0b5242969784fd9bb5f48a141edde975005336f490f0e76ed0bee5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "672f11d7e05106b3ce8df23dd4e81143cc8da5285c712382b70ef9d8cd5ad191",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-13T19:03:08Z",
    "title_canon_sha256": "cee449777ffcbe08388b1bcf274d13ee98885b40bcc73ae9f733a877a7c14190"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05010",
    "kind": "arxiv",
    "version": 1
  }
}