Pith Number

pith:XHCCQTCJ

pith:2019:XHCCQTCJ4GNVYLQIDE5ZJQAKMY

not attested not anchored not stored refs pending

Analysis of new direct sampling indicators for far-field measurements

Andreas Kleefeld, Isaac Harris

arxiv:1901.02351 v2 · 2019-01-08 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XHCCQTCJ4GNVYLQIDE5ZJQAKMY}

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	2026-05-17T23:45:31.106481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9c4284c49e19b5c2e08193b94c00a662a5672d23ff0346e76f547cc0fb370fa

Aliases

arxiv: 1901.02351 · arxiv_version: 1901.02351v2 · doi: 10.48550/arxiv.1901.02351 · pith_short_12: XHCCQTCJ4GNV · pith_short_16: XHCCQTCJ4GNVYLQI · pith_short_8: XHCCQTCJ

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/XHCCQTCJ4GNVYLQIDE5ZJQAKMY \
  | 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: b9c4284c49e19b5c2e08193b94c00a662a5672d23ff0346e76f547cc0fb370fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03f0c25b0d7a05338dc1503c577e5fa0c06dee6c18daa90e5c806952451aeacd",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-01-08T15:12:07Z",
    "title_canon_sha256": "c688c1e1944e94d5f957c52df78544b87c392a84202349ad74546d0240813dcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02351",
    "kind": "arxiv",
    "version": 2
  }
}