Pith Number

pith:L54EQVT4

pith:1999:L54EQVT4KIRIWBSR5752UNOSNU

not attested not anchored not stored refs pending

Searching for X-ray Luminous Starburst Galaxies

(2) Steward Observatory), A. Alonso-Herrero(2), A. Zezas(1), M.J. Ward (1) ((1) University of Leicester

arxiv:astro-ph/9907147 v1 · 1999-07-12 · 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{L54EQVT4KIRIWBSR5752UNOSNU}

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	2026-05-18T01:07:36.302996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f7848567c52228b0651effbaa35d26d146fa7f00e96c1eaa726267f56931970

Aliases

arxiv: astro-ph/9907147 · arxiv_version: astro-ph/9907147v1 · doi: 10.48550/arxiv.astro-ph/9907147 · pith_short_12: L54EQVT4KIRI · pith_short_16: L54EQVT4KIRIWBSR · pith_short_8: L54EQVT4

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/L54EQVT4KIRIWBSR5752UNOSNU \
  | 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: 5f7848567c52228b0651effbaa35d26d146fa7f00e96c1eaa726267f56931970

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b6271d72ccad179938d63924e564eaafbf2c01d5d15de3c6d87e2dedecf3d09",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-12T15:18:45Z",
    "title_canon_sha256": "0c00c8287970a16f7d547728d9f50c2d424214e327b60bfc8bbab7a312f8eaa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907147",
    "kind": "arxiv",
    "version": 1
  }
}