Pith Number

pith:7BOHGGV6

pith:2015:7BOHGGV65M7YY75E22IOQVHV4G

not attested not anchored not stored refs pending

NuSTAR observations of the powerful radio-galaxy Cygnus A

Andrew C. Fabian, Anne M. Lohfink, Charles J. Hailey, Christopher S. Reynolds, Cristian Saez, Daniel R. Wik, Daniel Stern, David R. Ballantyne, Dominic J. Walton, Felix Fuerst, Finn E. Christensen, Fiona A. Harrison, Grzegorz Madejski, Jon M. Miller, Kristin K. Madsen, Lauranne Lanz, Patrick M. Ogle, Steven E. Boggs, William W. Craig, William Zhang

arxiv:1506.07175 v1 · 2015-06-23 · astro-ph.HE · 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{7BOHGGV65M7YY75E22IOQVHV4G}

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	2026-05-18T01:35:46.535374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f85c731abeeb3f8c7fa4d690e854f5e194be7619eb2a64278608a1fdcdc8e1e6

Aliases

arxiv: 1506.07175 · arxiv_version: 1506.07175v1 · doi: 10.48550/arxiv.1506.07175 · pith_short_12: 7BOHGGV65M7Y · pith_short_16: 7BOHGGV65M7YY75E · pith_short_8: 7BOHGGV6

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/7BOHGGV65M7YY75E22IOQVHV4G \
  | 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: f85c731abeeb3f8c7fa4d690e854f5e194be7619eb2a64278608a1fdcdc8e1e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bdfe8054b95643a4ff4ad65974771946841dab0f494b7d554558394a52c9989",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-06-23T20:00:38Z",
    "title_canon_sha256": "e0e2c5ad50b6d8c8e8e0481014662b7e8bca6880dfd37bbc6edd44846eba8d90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07175",
    "kind": "arxiv",
    "version": 1
  }
}