Pith Number

pith:YYOKKKEM

pith:2020:YYOKKKEMMJZQTDZ5Z32QZL7KMH

not attested not anchored not stored refs pending

LOFAR 144-MHz follow-up observations of GW170817

A. J. Stewart, A. J. van der Horst, A. Krankowski, A. Nelles, A. Piette, A. Rowlinson, A. Shulevski, A. W. Gunst, B. Ciardi, C. J. Law, C. Tasse, C. Vocks, D. A. Nichols, D. Carbone, D. J. Schwarz, E. F. Keane, E. J\"utte, G. Mann, H. J. A. R\"ottgering, H. Mulder, H. Paas, J. B. R. Oonk, J. Eisl\"offel, J. M. Anderson, J.-M. Grie{\ss}meier, J. R. H\"orandel, J. van Leeuwen, J. W. Broderick, K. Gourdji, K. Hotokezaka, L. V. E. Koopmans, M. A. Garrett, M. Br\"uggen, M. C. Toribio, M. de Vos, M. E. Bell, M. H. D. van der Wiel, M. Hoeft, M. Iacobelli, M. J. Bentum, M. J. Hardcastle, M. Pandey-Pommier, M. Pietka, M. P. van Haarlem, M. Serylak, M. Soida, O. Smirnov, O. Wucknitz, P. G. Jonker, P. Maat, P. Zarka, P. Zucca, R. A. Fallows, R. A. M. J. Wijers, R. Blaauw, R. J. van Weeren, R. Pekal, R. P. Fender, R. Wijnands, S. Corbel, S. Duscha, S. Nissanke, S. ter Veen, T. M. O. Franzen, T. Mu\~noz-Darias, T. W. Shimwell, V. A. Moss, W. N. Brouw, W. Reich

arxiv:2004.01726 v1 · 2020-04-03 · 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{YYOKKKEMMJZQTDZ5Z32QZL7KMH}

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	2026-07-05T00:57:20.529518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c61ca5288c6273098f3dcef50cafea61eb1f96f68829e6222a8db9ac78b1847b

Aliases

arxiv: 2004.01726 · arxiv_version: 2004.01726v1 · doi: 10.48550/arxiv.2004.01726 · pith_short_12: YYOKKKEMMJZQ · pith_short_16: YYOKKKEMMJZQTDZ5 · pith_short_8: YYOKKKEM

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/YYOKKKEMMJZQTDZ5Z32QZL7KMH \
  | 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: c61ca5288c6273098f3dcef50cafea61eb1f96f68829e6222a8db9ac78b1847b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1844f76ac32d87396da977292bb53f4a1160fc1ecf45acf9c7096960e930484",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-04-03T18:00:57Z",
    "title_canon_sha256": "4f9faab555cb4cbef2e79d231db9d87fc1b2b35363423f9ff231327698774925"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.01726",
    "kind": "arxiv",
    "version": 1
  }
}