Pith Number

pith:WL6VJA34

pith:2019:WL6VJA34RTJVNTXI2HXTNM6LZO

not attested not anchored not stored refs pending

First detection of frequency-dependent, time-variable dispersion measures

A. Horneffer, A. Miskolczi, C. Tiburzi, D. Michilli, J. K\"unsem\"oller, J. M. Anderson, J.-M. Grie{\ss}meier, J. P. W. Verbiest, J. W. T. Hessels, J. Y. Donner, M. Hoeft, M. Kramer, M. Serylak, S. Os{\l}owski

arxiv:1902.03814 v2 · 2019-02-11 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WL6VJA34RTJVNTXI2HXTNM6LZO}

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	2026-05-17T23:49:01.971699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2fd54837c8cd356cee8d1ef36b3cbcbb68991ef2c97b6f7f513b1387ac89894

Aliases

arxiv: 1902.03814 · arxiv_version: 1902.03814v2 · doi: 10.48550/arxiv.1902.03814 · pith_short_12: WL6VJA34RTJV · pith_short_16: WL6VJA34RTJVNTXI · pith_short_8: WL6VJA34

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/WL6VJA34RTJVNTXI2HXTNM6LZO \
  | 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: b2fd54837c8cd356cee8d1ef36b3cbcbb68991ef2c97b6f7f513b1387ac89894

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6ad20c85e867230c9b2a7d5f248c7945b285586040581ea206f762ef90ee56b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-11T11:06:42Z",
    "title_canon_sha256": "7fb5ad7cb1822d63b653bf2d827531c285cfca6b7750f1e38852de2abfc41d00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03814",
    "kind": "arxiv",
    "version": 2
  }
}