Pith Number

pith:GRYZKEB4

pith:2021:GRYZKEB4GULYH76LOJTHWKVOFO

not attested not anchored not stored refs pending

Strong low-frequency radio flaring from Cygnus X-3 observed with LOFAR

A. Rowlinson, A. V. Shevchenko, D. A. Green, D. R. A. Williams, G. G. Pooley, J. Chauhan, J. S. Bright, J. W. Broderick, N. A. Nizhelskij, N. N. Bursov, P. G. Tsybulev, R. P. Fender, S. A. Trushkin, S. Corbel, T. D. Russell

arxiv:2104.04540 v1 · 2021-04-09 · 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{GRYZKEB4GULYH76LOJTHWKVOFO}

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	2026-07-05T02:39:17.716236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

347195103c351783ffcb72667b2aae2b8810cd64b99b20ea8eefff0d0f3ae020

Aliases

arxiv: 2104.04540 · arxiv_version: 2104.04540v1 · doi: 10.48550/arxiv.2104.04540 · pith_short_12: GRYZKEB4GULY · pith_short_16: GRYZKEB4GULYH76L · pith_short_8: GRYZKEB4

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/GRYZKEB4GULYH76LOJTHWKVOFO \
  | 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: 347195103c351783ffcb72667b2aae2b8810cd64b99b20ea8eefff0d0f3ae020

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e03aa2c1528940a46005c179e188e5c1ba0bc9a29d40c8f06d5558ae3af165fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-04-09T18:00:22Z",
    "title_canon_sha256": "2ead71294a49652c029819b2039778a7dfe0ed45bfaec23562f6753fe1e0ead4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04540",
    "kind": "arxiv",
    "version": 1
  }
}