Pith Number

pith:7LYCM5XM

pith:2009:7LYCM5XMIPNIOVC5LGJFFMR3VP

not attested not anchored not stored refs pending

The jet of the BL Lac object PKS 0521 -365 in the near-IR : MAD adaptive optics observations

A. Moretti, A. Treves, C. Arcidiacono, E. Diolaiti, E. Marchetti, E. Pian, F. Tavecchio, G. Giovannini, J. Farinato, M. Lombini, R. Brast, R. Falomo, R. Ragazzoni, S. Tordo, T. Venturi

arxiv:0906.1069 v1 · 2009-06-05 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LYCM5XMIPNIOVC5LGJFFMR3VP}

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	2026-05-18T02:13:28.829373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faf02676ec43da87545d599252b23babdea0de95b6c1d9bffe319d945cbce710

Aliases

arxiv: 0906.1069 · arxiv_version: 0906.1069v1 · doi: 10.48550/arxiv.0906.1069 · pith_short_12: 7LYCM5XMIPNI · pith_short_16: 7LYCM5XMIPNIOVC5 · pith_short_8: 7LYCM5XM

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/7LYCM5XMIPNIOVC5LGJFFMR3VP \
  | 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: faf02676ec43da87545d599252b23babdea0de95b6c1d9bffe319d945cbce710

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a07ddbaa5015ae1901ac3e501eb3b8b80713940c0cf788cd92cafb7fecc9f8c2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-05T09:12:11Z",
    "title_canon_sha256": "e539776f7fc0b9d0647e06f4c7ede1a9c3d49367873a77b05de9b7f24f2abc8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1069",
    "kind": "arxiv",
    "version": 1
  }
}