Pith Number

pith:VNR7UX5C

pith:2011:VNR7UX5C5Y5VBXODS4PHFUMYMG

not attested not anchored not stored refs pending

The structure function of variable 1.4 GHz radio sources based on NVSS and FIRST observations

Dale A. Frail, Eran O. Ofek

arxiv:1105.3479 v1 · 2011-05-17 · 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{VNR7UX5C5Y5VBXODS4PHFUMYMG}

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	2026-05-18T02:01:56.956124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab63fa5fa2ee3b50ddc3971e72d1986199375222a200b9b3b79efe5428688705

Aliases

arxiv: 1105.3479 · arxiv_version: 1105.3479v1 · doi: 10.48550/arxiv.1105.3479 · pith_short_12: VNR7UX5C5Y5V · pith_short_16: VNR7UX5C5Y5VBXOD · pith_short_8: VNR7UX5C

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/VNR7UX5C5Y5VBXODS4PHFUMYMG \
  | 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: ab63fa5fa2ee3b50ddc3971e72d1986199375222a200b9b3b79efe5428688705

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f7e01e451a1646523ab4d15ce05f87a93b77ef6ed75f55c1f1790079919ed88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-05-17T20:00:56Z",
    "title_canon_sha256": "11f6e0a56828b59ae6e81b6f496c2807dc7d4f6c71569c8c7f048f0158d4f06f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3479",
    "kind": "arxiv",
    "version": 1
  }
}