Pith Number

pith:NV6CZGYM

pith:2011:NV6CZGYMPFZPCHLPASXFY7ZUI3

not attested not anchored not stored refs pending

The Spitzer discovery of a galaxy with infrared emission solely due to AGN activity

A. A. Zijlstra, A. G. G. M. Tielens, B. Shiao, F. Kemper, G. C. Sloan, J. Mullaney, J. Roman-Duval, J. Th. van Loon, K. D. Gordon, M. Marengo, M. Meixner, Paul M. Woods, P. Panuzzo, R. Indebetouw, S. C. Madden, S. Hony, V. Gorjian

arxiv:1105.2492 v1 · 2011-05-12 · 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{NV6CZGYMPFZPCHLPASXFY7ZUI3}

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	2026-05-18T02:01:59.120005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d7c2c9b0c7972f11d6f04ae5c7f3446d440fb034f5ad3a32a28279446913796

Aliases

arxiv: 1105.2492 · arxiv_version: 1105.2492v1 · doi: 10.48550/arxiv.1105.2492 · pith_short_12: NV6CZGYMPFZP · pith_short_16: NV6CZGYMPFZPCHLP · pith_short_8: NV6CZGYM

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/NV6CZGYMPFZPCHLPASXFY7ZUI3 \
  | 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: 6d7c2c9b0c7972f11d6f04ae5c7f3446d440fb034f5ad3a32a28279446913796

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c62d8d53be95d98db478c4b14c3cca3aa22cd8561a6d54adca6c7367abefaa33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-12T14:46:17Z",
    "title_canon_sha256": "fdc5513e6543d85d477a6c8f33b325433298e3f238966b5c1f2b94a2a5c26da8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2492",
    "kind": "arxiv",
    "version": 1
  }
}