Pith Number

pith:BF6TPBQS

pith:2012:BF6TPBQSEPZDTPN6XI4AB2NKSG

not attested not anchored not stored refs pending

A new connection between the opening angle and the large-scale morphology of extragalactic radio sources

Daniel Hopton, Julia Riley, Martin Krause, Paul Alexander

arxiv:1206.1778 v2 · 2012-06-08 · astro-ph.CO · 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{BF6TPBQSEPZDTPN6XI4AB2NKSG}

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	2026-05-18T01:57:00.585762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

097d37861223f239bdbeba3800e9aa9189a90f8d1e9207e91e11da9ca13fe088

Aliases

arxiv: 1206.1778 · arxiv_version: 1206.1778v2 · doi: 10.48550/arxiv.1206.1778 · pith_short_12: BF6TPBQSEPZD · pith_short_16: BF6TPBQSEPZDTPN6 · pith_short_8: BF6TPBQS

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/BF6TPBQSEPZDTPN6XI4AB2NKSG \
  | 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: 097d37861223f239bdbeba3800e9aa9189a90f8d1e9207e91e11da9ca13fe088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5117fe01a935a359ba7bd25833f5ca4b11575be04ad44729f05d29ecf08c5170",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-06-08T14:35:47Z",
    "title_canon_sha256": "433ad730d145e8386947c9f6b4669a21b90d04682c93344b70c48afa1a02ea93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1778",
    "kind": "arxiv",
    "version": 2
  }
}