Pith Number

pith:R75AL6II

pith:2002:R75AL6IIITCEZKHTVXYJMQFFCT

not attested not anchored not stored refs pending

Detection of diffuse TeV gamma-ray emission from the nearby starburst galaxy NGC 253

CANGAROO-II collaboration, C. Itoh, R. Enomoto, S. Yanagita, T. Yoshida

arxiv:astro-ph/0211530 v1 · 2002-11-25 · 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{R75AL6IIITCEZKHTVXYJMQFFCT}

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	2026-07-04T16:31:18.788395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ffa05f90844c44ca8f3adf09640a514dcda9fed83d6d1bdd462cf0e7ca63831

Aliases

arxiv: astro-ph/0211530 · arxiv_version: astro-ph/0211530v1 · doi: 10.48550/arxiv.astro-ph/0211530 · pith_short_12: R75AL6IIITCE · pith_short_16: R75AL6IIITCEZKHT · pith_short_8: R75AL6II

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/R75AL6IIITCEZKHTVXYJMQFFCT \
  | 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: 8ffa05f90844c44ca8f3adf09640a514dcda9fed83d6d1bdd462cf0e7ca63831

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0579161ba88cf8ffc7b095ec281c490897690045ecc9f8adef53c10ad1924d47",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-11-25T09:10:16Z",
    "title_canon_sha256": "f80de1c8c39a0e384df076667c733f8425253fc696e38675f2939844dee002ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0211530",
    "kind": "arxiv",
    "version": 1
  }
}