Pith Number

pith:UV2P7S2S

pith:2021:UV2P7S2S5XRKO7XP5WTLOKIYFQ

not attested not anchored not stored refs pending

Beyond Simple AGN Unification with Chandra-observed 3CRR Sources

Adam Atanas, Belinda J. Wilkes, Charles Lawrence, Diana M. Worrall, Giovanni G. Fazio, Joanna Kuraszkiewicz, Johannes Buchner, Jonathan C. McDowell, Mark Birkinshaw, Martin Haas, Matthew L. N. Ashby, Mojegan Azadi, Patrick Ogle, Peter Barthel, Robert Antonucci, Rolf Chini, S. P. Willner

arxiv:2104.13341 v1 · 2021-04-27 · astro-ph.GA · 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{UV2P7S2S5XRKO7XP5WTLOKIYFQ}

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	2026-07-05T02:47:07.235398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a574ffcb52ede2a77eefeda6b729182c3334afe57d4e95095803c7d9d4d0fc6d

Aliases

arxiv: 2104.13341 · arxiv_version: 2104.13341v1 · doi: 10.48550/arxiv.2104.13341 · pith_short_12: UV2P7S2S5XRK · pith_short_16: UV2P7S2S5XRKO7XP · pith_short_8: UV2P7S2S

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/UV2P7S2S5XRKO7XP5WTLOKIYFQ \
  | 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: a574ffcb52ede2a77eefeda6b729182c3334afe57d4e95095803c7d9d4d0fc6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9c1ec4946efbf086de9cc8f2142faefcbfc35dd8b1a818a0b6ef717c4e5b5d3",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-04-27T17:24:56Z",
    "title_canon_sha256": "40e8d709d5929b4c9561fa03e73584b8fccaf343058a6a68f6a57178747907d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13341",
    "kind": "arxiv",
    "version": 1
  }
}