Pith Number

pith:KP3FAOV4

pith:2009:KP3FAOV4552Z3N6QLVZIUZAEZU

not attested not anchored not stored refs pending

AKARI near- and mid-infrared spectroscopy of APM 08279+5255 at z=3.91

(2) Institute of Astronomy, (3) System Integration Service Department, (4) Academia Sinica, Astronautical Science, Astrophysics), H. Sameshima (2), Institute of Astronomy, Japan Aerospace Exploration Agency, K. Kawara (2), N. Asami (2), Redfox Inc., S. Oyabu (1), University of Tokyo, Y. Matsuoka (2), Y. Ohyama (4) ((1)Institute of Space, Y. Tsuzuki (3)

arxiv:0903.2149 v1 · 2009-03-12 · 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{KP3FAOV4552Z3N6QLVZIUZAEZU}

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	2026-05-18T04:29:16.002025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53f6503abcef759db7d05d728a6404cd205ab9f59186e32e080e0a4238635380

Aliases

arxiv: 0903.2149 · arxiv_version: 0903.2149v1 · doi: 10.48550/arxiv.0903.2149 · pith_short_12: KP3FAOV4552Z · pith_short_16: KP3FAOV4552Z3N6Q · pith_short_8: KP3FAOV4

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/KP3FAOV4552Z3N6QLVZIUZAEZU \
  | 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: 53f6503abcef759db7d05d728a6404cd205ab9f59186e32e080e0a4238635380

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67f84d76789a1f9c413ca59552f90fb496593ac420997920a39536a17b965b8d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-12T11:16:00Z",
    "title_canon_sha256": "af4282110ea7a222d7e147b69e5e57d59624b45fe95b17846f94f1e09ea20392"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2149",
    "kind": "arxiv",
    "version": 1
  }
}