Pith Number

pith:L2U33LX3

pith:2004:L2U33LX3JHOTE7BWDVNNVDUQ5I

not attested not anchored not stored refs pending

3C 129 : The GMRT observations

A. Pramesh Rao, Dharam Vir Lal

arxiv:astro-ph/0406605 v1 · 2004-06-27 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L2U33LX3JHOTE7BWDVNNVDUQ5I}

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	2026-05-18T01:40:36.955512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ea9bdaefb49dd327c361d5ada8e90ea3f0c2bb7de7b8603081586d3862b9512

Aliases

arxiv: astro-ph/0406605 · arxiv_version: astro-ph/0406605v1 · doi: 10.48550/arxiv.astro-ph/0406605 · pith_short_12: L2U33LX3JHOT · pith_short_16: L2U33LX3JHOTE7BW · pith_short_8: L2U33LX3

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/L2U33LX3JHOTE7BWDVNNVDUQ5I \
  | 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: 5ea9bdaefb49dd327c361d5ada8e90ea3f0c2bb7de7b8603081586d3862b9512

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66a83f2b5a08527c5187afbdd8550ff505d5a619917c7d46f43be6234efd1fe5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-27T16:39:03Z",
    "title_canon_sha256": "1fa06727f282c585bc21d07c8a7368ca131128b9c1b7269882ca7ab05d64b873"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406605",
    "kind": "arxiv",
    "version": 1
  }
}