Pith Number

pith:VTPPTLKW

pith:2019:VTPPTLKWZI2GL7VJ3QOEDTISNR

not attested not anchored not stored refs pending

Observations of radio sources near the Sun

Aletha de Witt, Alexei Melnikov, Andrei Mikhailov, Benedikt Soja, Bo Xia, Dmitrii Ivanov, Fengchun Shu, Jamie McCallum, Lucia McCallum, Masafumi Ishigaki, Matthias Schartner, Oleg Titov, Sang Oh Yi, Sebastien Lambert, Sergei Gulyaev, Stuart Weston, Tim Natusch, Wen Chen

arxiv:1908.00973 v1 · 2019-08-02 · 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{VTPPTLKWZI2GL7VJ3QOEDTISNR}

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	2026-07-04T23:51:25.295193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acdef9ad56ca3465fea9dc1c41cd126c4936d323fe379b4b316bf700f8adfdba

Aliases

arxiv: 1908.00973 · arxiv_version: 1908.00973v1 · doi: 10.48550/arxiv.1908.00973 · pith_short_12: VTPPTLKWZI2G · pith_short_16: VTPPTLKWZI2GL7VJ · pith_short_8: VTPPTLKW

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/VTPPTLKWZI2GL7VJ3QOEDTISNR \
  | 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: acdef9ad56ca3465fea9dc1c41cd126c4936d323fe379b4b316bf700f8adfdba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcabbce3f52f52923c22b17bad58fab93299dc1073e193a879ac0e0064d05ab2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-08-02T00:53:44Z",
    "title_canon_sha256": "fd1c7d1957fa8f5ba5343f79c376174f57307bb3a1e5ea99462e73d9e61a6772"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00973",
    "kind": "arxiv",
    "version": 1
  }
}