Pith Number

pith:GKD5TDNI

pith:2014:GKD5TDNIGEVGEJIDTGF63ZSUEH

not attested not anchored not stored refs pending

LOFAR Observations of Swift J1644+57 and Implications for Short-Duration Transients

A. Alexov, A.J. Stewart, A.J. van der Horst, A. Rowlinson, B. Stappers, C.J. Law, D. Carbone, F. Huizinga, G. Molenaar, J.D. Swinbank, J. Eisl\"offel, J. Grie{\ss}meier, J. Hessel, J.W. Broderick, M.E. Bell, M. Kramer, M. Kuniyoshi, M. Pietka, M. Wise, P. Jonker, P. Zarka, R.A.M.J. Wijers, R. Fender, S. Corbel, S. Markoff, T. Coenen, T.D. Staley, Y. Cendes

arxiv:1412.3986 v1 · 2014-12-12 · 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{GKD5TDNIGEVGEJIDTGF63ZSUEH}

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	2026-05-18T02:31:28.145391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3287d98da8312a622503998bede65421e7241e168bcfebf9954bd39746fcbdf6

Aliases

arxiv: 1412.3986 · arxiv_version: 1412.3986v1 · doi: 10.48550/arxiv.1412.3986 · pith_short_12: GKD5TDNIGEVG · pith_short_16: GKD5TDNIGEVGEJID · pith_short_8: GKD5TDNI

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/GKD5TDNIGEVGEJIDTGF63ZSUEH \
  | 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: 3287d98da8312a622503998bede65421e7241e168bcfebf9954bd39746fcbdf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fa2b95bd1294af7fe3e8b2442a828b0fc265448c570aaa672cfe8e75e8be9c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-12-12T13:28:19Z",
    "title_canon_sha256": "47db6347535a8a4ed05f3a35947bcb211c5b89490a2a3f75d440ecd85a3794c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3986",
    "kind": "arxiv",
    "version": 1
  }
}