Pith Number

pith:2JYFPNJH

pith:1994:2JYFPNJH54B3CUGZ4F7YC6N5RT

not attested not anchored not stored refs pending

The Radio Emission from the Ultra-Luminous Far-Infrared Galaxy NGC 6240

Andrew S. Wilson, Edward J. M. Colbert, Jonathan Bland-Hawthorn

arxiv:astro-ph/9405046 v1 · 1994-05-19 · 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{2JYFPNJH54B3CUGZ4F7YC6N5RT}

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	2026-05-18T04:27:04.222586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d27057b527ef03b150d9e17f8179bd8cfb81603eb3854e34b41b1269a5064ecd

Aliases

arxiv: astro-ph/9405046 · arxiv_version: astro-ph/9405046v1 · doi: 10.48550/arxiv.astro-ph/9405046 · pith_short_12: 2JYFPNJH54B3 · pith_short_16: 2JYFPNJH54B3CUGZ · pith_short_8: 2JYFPNJH

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/2JYFPNJH54B3CUGZ4F7YC6N5RT \
  | 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: d27057b527ef03b150d9e17f8179bd8cfb81603eb3854e34b41b1269a5064ecd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "674366927ba1282491c2f77ca3d58b8df5c9167fd9f4adbf9c5f4c792a7443ab",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-05-19T22:27:02Z",
    "title_canon_sha256": "e9eb604e43fddad26232d12435de25c710b0902f7f104b9692b2e0d42c192e2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9405046",
    "kind": "arxiv",
    "version": 1
  }
}