Pith Number

pith:X4WBYVRB

pith:2010:X4WBYVRBIMQYTO3X4PIC7MXNRS

not attested not anchored not stored refs pending

Infrared Spectral Energy Distributions of Seyfert Galaxies: Spitzer Space Telescope Observations of the 12 micron Sample of Active Galaxies

A. Robinson, A. Yzaguirre, C. L. Buchanan, C. P. O'Dea, D. J. Axon, J. F. Gallimore, J. Jakoboski, M. Elitzur, M. Elvis, M. J. Stevenosky, S. A. Baum

arxiv:1001.4974 v1 · 2010-01-27 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X4WBYVRBIMQYTO3X4PIC7MXNRS}

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	2026-05-18T02:09:29.189798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf2c1c5621432189bb77e3d02fb2ed8c895428a9a9b8dfd79059283be1239018

Aliases

arxiv: 1001.4974 · arxiv_version: 1001.4974v1 · doi: 10.48550/arxiv.1001.4974 · pith_short_12: X4WBYVRBIMQY · pith_short_16: X4WBYVRBIMQYTO3X · pith_short_8: X4WBYVRB

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/X4WBYVRBIMQYTO3X4PIC7MXNRS \
  | 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: bf2c1c5621432189bb77e3d02fb2ed8c895428a9a9b8dfd79059283be1239018

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c548f44b2512e51c833568a8c173deb6e8730615497d8d55176df674498ce470",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-27T15:33:24Z",
    "title_canon_sha256": "8ab013fa25531ccc1ff894312167c8ff634bc15469b003d7969956a3b7c3c556"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4974",
    "kind": "arxiv",
    "version": 1
  }
}