Pith Number

pith:42D3J47W

pith:2008:42D3J47WPJUMQGPEIKJFTPC3SK

not attested not anchored not stored refs pending

Spitzer Mid-Infrared Spectroscopy of Infrared Luminous Galaxies at z~2 III: Far-IR to Radio Properties and Optical Spectral Diagnostics

Aaron Steffen, Anna Sajina, David Frayer, Dieter Lutz, George Helou, Kalliopi Dasyra, Linda Tacconi, Lin Yan, Minh Huynh, Philip Choi

arxiv:0805.0263 v1 · 2008-05-02 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42D3J47WPJUMQGPEIKJFTPC3SK}

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	2026-05-18T01:16:28.100608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e687b4f3f67a68c819e4429259bc5b92b2baa02467a37edf420be874dfcdf7f4

Aliases

arxiv: 0805.0263 · arxiv_version: 0805.0263v1 · doi: 10.48550/arxiv.0805.0263 · pith_short_12: 42D3J47WPJUM · pith_short_16: 42D3J47WPJUMQGPE · pith_short_8: 42D3J47W

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/42D3J47WPJUMQGPEIKJFTPC3SK \
  | 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: e687b4f3f67a68c819e4429259bc5b92b2baa02467a37edf420be874dfcdf7f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "023006e6af716d3fe0eb7dd45393121ce5cb26a9d2907590a2537f1ceea5fffc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-02T16:53:25Z",
    "title_canon_sha256": "d06ca951340cdae1d479e5a633781a6ca073390ffe77d964aab950f36305cdbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.0263",
    "kind": "arxiv",
    "version": 1
  }
}