Pith Number

pith:DOZVEW2D

pith:2002:DOZVEW2DFYTRKUIYWT4Z3YARS5

not attested not anchored not stored refs pending

VLA Detection of RRLs from the radio nucleus of NGC 253 : Ionization by a weak AGN, an obscured SSC or a compact SNR ?

2), (2) IISc, (3) Nrao, India, K. R. Anantharamaiah (1), Niruj R. Mohan (1, USA), W. M. Goss (3) ((1) RRI

arxiv:astro-ph/0204051 v1 · 2002-04-03 · 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{DOZVEW2DFYTRKUIYWT4Z3YARS5}

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	2026-05-18T01:40:43.044933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bb3525b432e27155118b4f99de011974b70dfdeebf6200794d00eb0b46978aa

Aliases

arxiv: astro-ph/0204051 · arxiv_version: astro-ph/0204051v1 · doi: 10.48550/arxiv.astro-ph/0204051 · pith_short_12: DOZVEW2DFYTR · pith_short_16: DOZVEW2DFYTRKUIY · pith_short_8: DOZVEW2D

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/DOZVEW2DFYTRKUIYWT4Z3YARS5 \
  | 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: 1bb3525b432e27155118b4f99de011974b70dfdeebf6200794d00eb0b46978aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b6fbbd7318608cbe75da82889657328f8d7fd91ffbc5bdada19069cdae05c2b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-04-03T08:53:59Z",
    "title_canon_sha256": "76372af70b817af934d889990c5ab9133f417bfb6e930b2d1fc181cf97c1d117"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0204051",
    "kind": "arxiv",
    "version": 1
  }
}