Pith Number

pith:SW6NRB2N

pith:2009:SW6NRB2NZ4F4INIL6AI3I6WXKA

not attested not anchored not stored refs pending

The 3-5 micron Spectrum of NGC 1068 at High Angular Resolution: Distribution of Emission and Absorption Features across the Nuclear Continuum Source

A. Rodr\'iguez-Ardila, D.J. Axon, R.E. Mason, T.R. Geballe

arxiv:0906.4885 v2 · 2009-06-26 · 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{SW6NRB2NZ4F4INIL6AI3I6WXKA}

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	2026-05-18T04:29:42.583576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95bcd8874dcf0bc4350bf011b47ad7503d68239e31676ee04c8133ca7b2bfdbd

Aliases

arxiv: 0906.4885 · arxiv_version: 0906.4885v2 · doi: 10.48550/arxiv.0906.4885 · pith_short_12: SW6NRB2NZ4F4 · pith_short_16: SW6NRB2NZ4F4INIL · pith_short_8: SW6NRB2N

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/SW6NRB2NZ4F4INIL6AI3I6WXKA \
  | 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: 95bcd8874dcf0bc4350bf011b47ad7503d68239e31676ee04c8133ca7b2bfdbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9823c473ef7e97690fa94df27542ece1da4e1af3d7c030aa26637b72cd053e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-26T09:32:32Z",
    "title_canon_sha256": "8577b9ad96cc0e1a3aa9c3ff6703ca0ba9a9a6cae99cce8cfa371538e2838496"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4885",
    "kind": "arxiv",
    "version": 2
  }
}