Pith Number

pith:564KBUBZ

pith:2011:564KBUBZROUCYYQVTR6MFDY6GM

not attested not anchored not stored refs pending

The deeply obscured AGN of NGC4945 I. Spitzer-IRS maps of [Ne V], [Ne II], H2 0-0 S(1), S(2), and other tracers

(2) Astronomy Department, 3), (3) Kapteyn Astronomical Institute, (4) Department of Physics, Astronomy, Cornell University, H.W.W. Spoon (2), J.D. Smith (4) ((1) Max-Planck-Institut f\"ur Radioastronomie, J.P. P\'erez-Beaupuits (1, M. Spaans (3), Rijksuniversiteit Groningen, University of Toledo)

arxiv:1107.0224 v1 · 2011-07-01 · 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{564KBUBZROUCYYQVTR6MFDY6GM}

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	2026-05-18T02:01:25.879707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efb8a0d0398ba82c62159c7cc28f1e330bc3d4c2f542bf1033df4df8d34864c8

Aliases

arxiv: 1107.0224 · arxiv_version: 1107.0224v1 · doi: 10.48550/arxiv.1107.0224 · pith_short_12: 564KBUBZROUC · pith_short_16: 564KBUBZROUCYYQV · pith_short_8: 564KBUBZ

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/564KBUBZROUCYYQVTR6MFDY6GM \
  | 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: efb8a0d0398ba82c62159c7cc28f1e330bc3d4c2f542bf1033df4df8d34864c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d69b633dbd5702dd9f72a3cfca5766a3fc87a8a57dc6c5830130ed01927c85c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-01T13:53:13Z",
    "title_canon_sha256": "4a2af9cfd8c5f0d6e3319293f1bb5f12d3f677c7483317dc5e6f3ea041f3856a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0224",
    "kind": "arxiv",
    "version": 1
  }
}