Pith Number

pith:BCV4WLJR

pith:2000:BCV4WLJRJ47LAHG5D7DIEEVLVH

not attested not anchored not stored refs pending

Quasar Str\"omgren Spheres Before Cosmological Reionization

Renyue Cen, Zoltan Haiman (Princeton University Observatory)

arxiv:astro-ph/0006376 v2 · 2000-06-27 · 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{BCV4WLJRJ47LAHG5D7DIEEVLVH}

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.

Cited by

1 paper in Pith

Discovery of four Narrow-line Type-1 Quasars at z = 2.54 -- 6.06 with Subaru 'Onohi'ula PFS-SSP

Receipt and verification

First computed	2026-07-04T16:16:50.089463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08abcb2d314f3eb01cdd1fc68212aba9da4420dfad9c6f93fe6c675d658ecdba

Aliases

arxiv: astro-ph/0006376 · arxiv_version: astro-ph/0006376v2 · doi: 10.48550/arxiv.astro-ph/0006376 · pith_short_12: BCV4WLJRJ47L · pith_short_16: BCV4WLJRJ47LAHG5 · pith_short_8: BCV4WLJR

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/BCV4WLJRJ47LAHG5D7DIEEVLVH \
  | 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: 08abcb2d314f3eb01cdd1fc68212aba9da4420dfad9c6f93fe6c675d658ecdba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2330f301f05dfd9b8e910fbe0ef293bab45b403d09d9b12d8837787083722ccb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-06-27T19:41:01Z",
    "title_canon_sha256": "c1bee81ec6e19464b4e19705b45d8e47dfdbbca9bc05f06106674c8c760ca953"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0006376",
    "kind": "arxiv",
    "version": 2
  }
}