Pith Number

pith:FZS7C4CV

pith:2011:FZS7C4CVE5P6IFB4K6G447HG45

not attested not anchored not stored refs pending

Spectropolarimetric Evidence for Radiatively Inefficient Accretion in an Optically Dull Active Galaxy

Anton M. Koekemoer, Brandon C. Kelly, Christopher D. Impey, Francesca Civano, Hiro Ikeda, John T. Stocke, Jonathan R. Trump, Knud Jahnke, Martin Elvis, Takashi Murayama, Tohru Nagao, Yoshi Taniguchi

arxiv:1102.4621 v1 · 2011-02-22 · 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{FZS7C4CVE5P6IFB4K6G447HG45}

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	2026-05-18T02:03:06.286422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e65f17055275fe4143c578dce7ce6e757dd7d14a40943a0816533f9266d0d72

Aliases

arxiv: 1102.4621 · arxiv_version: 1102.4621v1 · doi: 10.48550/arxiv.1102.4621 · pith_short_12: FZS7C4CVE5P6 · pith_short_16: FZS7C4CVE5P6IFB4 · pith_short_8: FZS7C4CV

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/FZS7C4CVE5P6IFB4K6G447HG45 \
  | 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: 2e65f17055275fe4143c578dce7ce6e757dd7d14a40943a0816533f9266d0d72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85d1e739817a3d06a127fedb444b6987913397c1d9cfcba8744c3d10d0f3ce50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-22T21:03:32Z",
    "title_canon_sha256": "b0013767c2cec061508116d385c78a5e3fe0b8baa55c699c8b1c3fdc9564678a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4621",
    "kind": "arxiv",
    "version": 1
  }
}