Pith Number

pith:ED4BBEUM

pith:2011:ED4BBEUM4U4ZOXWJMB54J6JFPJ

not attested not anchored not stored refs pending

Infrared 3-4 Micron Spectroscopy of Nearby PG QSOs and AGN-Nuclear Starburst Connections in High-luminosity AGN Populations

(2) Kyoto Univ., (3) Univ. of Tsukuba, (4) GUAS/NAOJ/Subaru), Keisuke Imase (4) ((1) Subaru/NAOJ, Kohei Ichikawa (2), Masatoshi Imanishi (1), Nagisa Oi (4), Nozomu Kawakatu (3), Tomoe Takeuchi (2)

arxiv:1101.1970 v1 · 2011-01-10 · 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{ED4BBEUM4U4ZOXWJMB54J6JFPJ}

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	2026-05-18T02:03:43.268965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20f810928ce539975ec9607bc4f9257a7f7f7aa10e61c7bf661ebe40c9f3a1ff

Aliases

arxiv: 1101.1970 · arxiv_version: 1101.1970v1 · doi: 10.48550/arxiv.1101.1970 · pith_short_12: ED4BBEUM4U4Z · pith_short_16: ED4BBEUM4U4ZOXWJ · pith_short_8: ED4BBEUM

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/ED4BBEUM4U4ZOXWJMB54J6JFPJ \
  | 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: 20f810928ce539975ec9607bc4f9257a7f7f7aa10e61c7bf661ebe40c9f3a1ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1caeca201ad8a281f4cbc1f9d5c1ed926d043967e3da2f7948d2889596ae2d73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-10T21:07:04Z",
    "title_canon_sha256": "37ac19219c1f2a1db9324dce999b63151074e248517ace7720c916e797c20483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1970",
    "kind": "arxiv",
    "version": 1
  }
}