Pith Number

pith:MHZL63LE

pith:2009:MHZL63LEQWXNX6UDTHJWHAORZM

not attested not anchored not stored refs pending

The line parameters and ratios as the physical probe of the line emitting regions in AGN

D. Ilic, J. Kovacevic, L.C. Popovic

arxiv:0908.2776 v1 · 2009-08-19 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MHZL63LEQWXNX6UDTHJWHAORZM}

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	2026-05-18T02:12:25.078362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61f2bf6d6485aedbfa8399d36381d1cb092b7d8ded365bf6db7a76bd3c357803

Aliases

arxiv: 0908.2776 · arxiv_version: 0908.2776v1 · doi: 10.48550/arxiv.0908.2776 · pith_short_12: MHZL63LEQWXN · pith_short_16: MHZL63LEQWXNX6UD · pith_short_8: MHZL63LE

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/MHZL63LEQWXNX6UDTHJWHAORZM \
  | 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: 61f2bf6d6485aedbfa8399d36381d1cb092b7d8ded365bf6db7a76bd3c357803

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1179dc2a2ec4776df683b276519188b7ad1f7449ad018d71176b1a0e4c3ae5bb",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-08-19T15:42:39Z",
    "title_canon_sha256": "71bae65585c9c0eb7b851e144d327cbc0a3ffdca4760d297f1da2d2a976abb5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2776",
    "kind": "arxiv",
    "version": 1
  }
}