Pith Number

pith:X3ACMKNN

pith:2009:X3ACMKNNWEHRCVXAR5PRDMXEC4

not attested not anchored not stored refs pending

Spitzer Infrared Low-Resolution Spectroscopic Study of Buried AGNs in a Complete Sample of Nearby Ultraluminous Infrared Galaxies

Masatoshi Imanishi (NAO Japan), Roberto Maiolino (Rome Observatory), Takao Nakagawa (ISAS/JAXA)

arxiv:0912.2748 v1 · 2009-12-14 · 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{X3ACMKNNWEHRCVXAR5PRDMXEC4}

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	2026-05-18T02:33:56.535641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bec02629adb10f1156e08f5f11b2e4172ba46b43d94e7fd0b73469d7acfe9dd2

Aliases

arxiv: 0912.2748 · arxiv_version: 0912.2748v1 · doi: 10.48550/arxiv.0912.2748 · pith_short_12: X3ACMKNNWEHR · pith_short_16: X3ACMKNNWEHRCVXA · pith_short_8: X3ACMKNN

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/X3ACMKNNWEHRCVXAR5PRDMXEC4 \
  | 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: bec02629adb10f1156e08f5f11b2e4172ba46b43d94e7fd0b73469d7acfe9dd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59c4d18a6090a47a840e5c6197a66a3c116f018228348ffe60c477e154c3bc92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-14T21:23:27Z",
    "title_canon_sha256": "3fe4be3bad7d44d7a83b1fbf80223afbb5970c08dd76c7fe1a960ba63ad47d37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2748",
    "kind": "arxiv",
    "version": 1
  }
}