Pith Number

pith:D7UOBLH6

pith:1997:D7UOBLH64U2FDKOSFF3YZQQ5VD

not attested not anchored not stored refs pending

A statistical study of the spectra of very luminous IRAS galaxies I: Data

(2)Department of Physics, (3)Department of Physics, Chinese Academy of Sciences Graduate School), H. Wu(1), Tianjin Normal University, X.Y. Xia(2), Z.G. Deng(3) ((1)Beijing Astronomical Observatory, Z.L. Zou(1)

arxiv:astro-ph/9711037 v1 · 1997-11-05 · 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{D7UOBLH64U2FDKOSFF3YZQQ5VD}

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	2026-05-18T01:07:38.000510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fe8e0acfee53451a9d229778cc21da8c3b975f994d30c566b92d6a366a90cb0

Aliases

arxiv: astro-ph/9711037 · arxiv_version: astro-ph/9711037v1 · doi: 10.48550/arxiv.astro-ph/9711037 · pith_short_12: D7UOBLH64U2F · pith_short_16: D7UOBLH64U2FDKOS · pith_short_8: D7UOBLH6

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/D7UOBLH64U2FDKOSFF3YZQQ5VD \
  | 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: 1fe8e0acfee53451a9d229778cc21da8c3b975f994d30c566b92d6a366a90cb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8eec75c599394fbd20c97664687af935f7ff040e89415a3e8d158bb174ed9e7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-11-05T01:53:49Z",
    "title_canon_sha256": "fba8e936536f28818d7e2ee0362b1663cb79298922d4aab67b18c7de80791282"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9711037",
    "kind": "arxiv",
    "version": 1
  }
}