Pith Number

pith:5BO7IADB

pith:2003:5BO7IADBJ37VI4LTMAR5LVIFLV

not attested not anchored not stored refs pending

Extended X-ray emission in the high redshift quasar GB 1508+5714 at z=4.3

A. Celotti, A.C. Fabian, P.G. Jonker, W. Yuan

arxiv:astro-ph/0309318 v2 · 2003-09-11 · 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{5BO7IADBJ37VI4LTMAR5LVIFLV}

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	2026-07-04T16:37:27.096076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e85df400614eff5471736023d5d5055d68ae2fe1197b8eec11bdbe6936d3998c

Aliases

arxiv: astro-ph/0309318 · arxiv_version: astro-ph/0309318v2 · doi: 10.48550/arxiv.astro-ph/0309318 · pith_short_12: 5BO7IADBJ37V · pith_short_16: 5BO7IADBJ37VI4LT · pith_short_8: 5BO7IADB

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/5BO7IADBJ37VI4LTMAR5LVIFLV \
  | 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: e85df400614eff5471736023d5d5055d68ae2fe1197b8eec11bdbe6936d3998c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2952a82f0668aafa363db31902caf3eab4b621d1d5c1ae3a9bb2b0d393c891d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-11T17:41:10Z",
    "title_canon_sha256": "79efa1bfbb569cffcff9cb975f645320fd27132ce73d299203d3d8632f15f524"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309318",
    "kind": "arxiv",
    "version": 2
  }
}