Pith Number

pith:NW3GLFFY

pith:2013:NW3GLFFYWFPN257X2B5W2AD62X

not attested not anchored not stored refs pending

A return to strong radio flaring by Circinus X-1 observed with the Karoo Array Telescope test array KAT-7

B. Fanaroff, G.D. Nicolson, J.Horrell, J. Jonas, L. Richter, M. Coriat, M. Linares, M. P. E. Schurch, P. Woudt, R. Booth, R. P. Armstrong, R.P. Fender, S. Ratcliffe

arxiv:1305.3399 v1 · 2013-05-15 · 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{NW3GLFFYWFPN257X2B5W2AD62X}

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	2026-05-18T01:49:57.013520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6db66594b8b15edd77f7d07b6d007ed5dfa10be37bb4a26523f74d88d7b96f44

Aliases

arxiv: 1305.3399 · arxiv_version: 1305.3399v1 · doi: 10.48550/arxiv.1305.3399 · pith_short_12: NW3GLFFYWFPN · pith_short_16: NW3GLFFYWFPN257X · pith_short_8: NW3GLFFY

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/NW3GLFFYWFPN257X2B5W2AD62X \
  | 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: 6db66594b8b15edd77f7d07b6d007ed5dfa10be37bb4a26523f74d88d7b96f44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9ed18b77f7ace283fa4d720bd439d15ff96b935c0249aef1445e00c051866b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-15T09:16:06Z",
    "title_canon_sha256": "ad1c27099e9f9f2095c87c98f7ac5d7aba59860bdc6c1adff5654126441772cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3399",
    "kind": "arxiv",
    "version": 1
  }
}