Pith Number

pith:OQAA3BG7

pith:2020:OQAA3BG7QXXX7J2Q6CFLCKJWRZ

not attested not anchored not stored refs pending

Low-frequency observations of the Giant Radio Galaxy NGC 6251

A. M. M. Scaife, A. O. Clarke, A. Shulevski, C. J. Riseley, C. L. Van Eck, C. Tasse, D. D. Mulcahy, E. Orru, G. Brunetti, G. Heald, H. J. A. Rottgering, J. D. Bray, J. H. Croston, J. J. Harwood, J. R. Callingham, M. Bruggen, M. Iacobelli, M. Jamrozy, M. J. Hardcastle, P. N. Best, R. Morganti, S. P. O'Sullivan, S. S. Sridhar, T. M. Cantwell, V. Heesen

arxiv:2004.11104 v1 · 2020-04-23 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQAA3BG7QXXX7J2Q6CFLCKJWRZ}

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	2026-07-05T01:02:17.276865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74000d84df85ef7fa750f08ab129368e6ec6af000891fd827c2345ccf52848c4

Aliases

arxiv: 2004.11104 · arxiv_version: 2004.11104v1 · doi: 10.48550/arxiv.2004.11104 · pith_short_12: OQAA3BG7QXXX · pith_short_16: OQAA3BG7QXXX7J2Q · pith_short_8: OQAA3BG7

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/OQAA3BG7QXXX7J2Q6CFLCKJWRZ \
  | 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: 74000d84df85ef7fa750f08ab129368e6ec6af000891fd827c2345ccf52848c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eba529241b37566be61d9f29c951bb20fc9c89005bc0d3c36dc855bee1ca66c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-23T12:24:22Z",
    "title_canon_sha256": "12532e43696df6d2eb3a60d003de556d30c70e4c0fa5be321ae7b707b223e9e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11104",
    "kind": "arxiv",
    "version": 1
  }
}