Pith Number

pith:64ZPTK57

pith:2010:64ZPTK57ZCQFTBONNJUGKPSPFA

not attested not anchored not stored refs pending

On the origin of X-shaped radio galaxies

Gopal-Krishna, L\'aszl\'o \'A. Gergely, Paul J. Wiita, Peter L. Biermann

arxiv:1008.0789 v2 · 2010-08-04 · astro-ph.CO · astro-ph.HE · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64ZPTK57ZCQFTBONNJUGKPSPFA}

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	2026-05-18T02:05:59.334911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f732f9abbfc8a05985cd6a68653e4f2818190f1db5833f8fd341f7a9f94486f1

Aliases

arxiv: 1008.0789 · arxiv_version: 1008.0789v2 · doi: 10.48550/arxiv.1008.0789 · pith_short_12: 64ZPTK57ZCQF · pith_short_16: 64ZPTK57ZCQFTBON · pith_short_8: 64ZPTK57

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/64ZPTK57ZCQFTBONNJUGKPSPFA \
  | 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: f732f9abbfc8a05985cd6a68653e4f2818190f1db5833f8fd341f7a9f94486f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96e2d0528d650406b62192134414baef1d65c19dfa3ae35187a528299e4ff3d7",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-08-04T14:33:27Z",
    "title_canon_sha256": "5dd9f84f2822f1e2bb04df0ca4d6a97879ead74c734b80f6f457eca4656ef46a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0789",
    "kind": "arxiv",
    "version": 2
  }
}