Pith Number

pith:FQACKNW7

pith:2018:FQACKNW7S7Y6D4MLZ7IMFDIKXX

not attested not anchored not stored refs pending

Measuring the global 21-cm signal with the MWA-I: improved measurements of the Galactic synchrotron background using lunar occultation

A. R. Offringa, B. McKinley, B. Pindor, C. H. Jordan, C. M. Trott, E. Lenc, F. Briggs, G. Bernardi, J. D. Bowman, J. L. B. Line, M. Sokolowski, N. Hurley-Walker, R. B. Wayth, R. L. Webster, S. J. Tingay

arxiv:1809.01351 v1 · 2018-09-05 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQACKNW7S7Y6D4MLZ7IMFDIKXX}

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	2026-05-18T00:06:00.747824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c002536df97f1e1f18bcfd0c28d0abdfb5e5c6484cdfd817a3d941094689863

Aliases

arxiv: 1809.01351 · arxiv_version: 1809.01351v1 · doi: 10.48550/arxiv.1809.01351 · pith_short_12: FQACKNW7S7Y6 · pith_short_16: FQACKNW7S7Y6D4ML · pith_short_8: FQACKNW7

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/FQACKNW7S7Y6D4MLZ7IMFDIKXX \
  | 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: 2c002536df97f1e1f18bcfd0c28d0abdfb5e5c6484cdfd817a3d941094689863

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96cc1d91ee8f137c8a4ca12c93c9fe3fc031c28f2ae3728c6727fadbd1063292",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-09-05T06:44:53Z",
    "title_canon_sha256": "5eb16b965c925c4c2406e7145e09552afb40c2aeb4c1181006431eb68c1e3086"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01351",
    "kind": "arxiv",
    "version": 1
  }
}