Pith Number

pith:GZV6XNOY

pith:2002:GZV6XNOYPIGN2A3EOAUJ4BNBZJ

not attested not anchored not stored refs pending

Strong MgII Absorption Systems in QSOs from the Sloan Digital Sky Survey Early Data Release

Daniel B. Nestor, David Turnshek (Pittsburgh), Eric Furst (Bucknell), Sandhya Rao

arxiv:astro-ph/0211293 v1 · 2002-11-13 · 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{GZV6XNOYPIGN2A3EOAUJ4BNBZJ}

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	2026-05-18T01:21:56.953358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

366bebb5d87a0cdd036470289e05a1ca76d333eb9cbbacba641d11b5fe436ece

Aliases

arxiv: astro-ph/0211293 · arxiv_version: astro-ph/0211293v1 · doi: 10.48550/arxiv.astro-ph/0211293 · pith_short_12: GZV6XNOYPIGN · pith_short_16: GZV6XNOYPIGN2A3E · pith_short_8: GZV6XNOY

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/GZV6XNOYPIGN2A3EOAUJ4BNBZJ \
  | 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: 366bebb5d87a0cdd036470289e05a1ca76d333eb9cbbacba641d11b5fe436ece

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b7e0b94f0e5472d4ae829256fe60a660cd41c8419b131211abc316042963529",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-11-13T17:17:23Z",
    "title_canon_sha256": "766d263819b86d8f56f630153ef1415d061f8eb5c49cb891b3aca8451e04a124"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0211293",
    "kind": "arxiv",
    "version": 1
  }
}