Pith Number

pith:TKMLWC6Y

pith:2009:TKMLWC6YJVFTV6FZELYM2BDQSW

not attested not anchored not stored refs pending

Relics of Double Radio Sources

K. S. Dwarakanath (RRI), Ruta Kale (RRI)

arxiv:0906.0223 v1 · 2009-06-01 · 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{TKMLWC6YJVFTV6FZELYM2BDQSW}

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	2026-05-18T04:29:42.867934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a98bb0bd84d4b3af8b922f0cd0470959d861ed5aa875f158c360cfb8ae62ec4

Aliases

arxiv: 0906.0223 · arxiv_version: 0906.0223v1 · doi: 10.48550/arxiv.0906.0223 · pith_short_12: TKMLWC6YJVFT · pith_short_16: TKMLWC6YJVFTV6FZ · pith_short_8: TKMLWC6Y

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/TKMLWC6YJVFTV6FZELYM2BDQSW \
  | 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: 9a98bb0bd84d4b3af8b922f0cd0470959d861ed5aa875f158c360cfb8ae62ec4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4785c0addae8f8d57eb7e3fce5fae009c26f9abc9c9e2c9e560caad013a4f18e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-06-01T07:06:32Z",
    "title_canon_sha256": "b6e15c2ecdb44abbc2aae8fa93d7ded090c4e02931b88be0b205cd2db9be1f84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0223",
    "kind": "arxiv",
    "version": 1
  }
}