Pith Number

pith:L6P47MRQ

pith:2000:L6P47MRQ7OYJHDQXGIARFL5PWV

not attested not anchored not stored refs pending

VLT spectroscopy of GRB 990510 and GRB 990712; probing the faint and bright end of the GRB host galaxy population

A. Fruchter, C. Kouveliotou, E. Palazzi, E. Pian, E.P.J. van den Heuvel, E. Rol, F. Frontera, F.V. Hessman, H. Nicklas, J. van Paradijs, K. Beuermann, K. Reinsch, L. Kaper, N. Masetti, P.M. Vreeswijk, R.A.M.J. Wijers, S. Savaglio, T.J. Galama

arxiv:astro-ph/0009025 v1 · 2000-09-01 · 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{L6P47MRQ7OYJHDQXGIARFL5PWV}

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	2026-05-18T02:32:55.488751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f9fcfb230fbb0938e17320112afafb54783c8b2e2fcfab6dce9325e997442c7

Aliases

arxiv: astro-ph/0009025 · arxiv_version: astro-ph/0009025v1 · doi: 10.48550/arxiv.astro-ph/0009025 · pith_short_12: L6P47MRQ7OYJ · pith_short_16: L6P47MRQ7OYJHDQX · pith_short_8: L6P47MRQ

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/L6P47MRQ7OYJHDQXGIARFL5PWV \
  | 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: 5f9fcfb230fbb0938e17320112afafb54783c8b2e2fcfab6dce9325e997442c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "705372a8626176d302099bb924e2dbd0a59791e36435850a61748c40f192d3b8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-01T19:53:58Z",
    "title_canon_sha256": "44bdccaff6a40ab3991ba1e18a0e2c348fb7c94e6c144ce6756a3d518141dff0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009025",
    "kind": "arxiv",
    "version": 1
  }
}