Pith Number

pith:S256VECM

pith:1999:S256VECMK24BRE73G6LHGXOBBC

not attested not anchored not stored refs pending

Near-Infrared Spectra of Ultraluminous Infrared Galaxies

B. T. Soifer, Jr., J. R. Kiger, K. Matthews, L. Armus, T. W. Murphy

arxiv:astro-ph/9909245 v1 · 1999-09-14 · 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{S256VECMK24BRE73G6LHGXOBBC}

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	2026-05-18T03:47:42.365947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96bbea904c56b81893fb3796735dc10895d032c5c762adb9cb61e288d6b6c130

Aliases

arxiv: astro-ph/9909245 · arxiv_version: astro-ph/9909245v1 · doi: 10.48550/arxiv.astro-ph/9909245 · pith_short_12: S256VECMK24B · pith_short_16: S256VECMK24BRE73 · pith_short_8: S256VECM

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/S256VECMK24BRE73G6LHGXOBBC \
  | 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: 96bbea904c56b81893fb3796735dc10895d032c5c762adb9cb61e288d6b6c130

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9610995b01d595a81ff738119e6fb06f94875a0a1ca5b32b08aab8ae250cef7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-14T19:37:35Z",
    "title_canon_sha256": "86cad9c4ae893b8fb36dd23e69f711d696c2bc3daea34592d79e3723cf64ea4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909245",
    "kind": "arxiv",
    "version": 1
  }
}