Pith Number

pith:QT7OWLZW

pith:2002:QT7OWLZW4GGHY4PHWNRKJBICHK

not attested not anchored not stored refs pending

Relations Between Environments of Quasars and Galaxy Formation

2), (2) NAOJ), Masahiro Nagashima (2), Motohiro Enoki (1, Naoteru Gouda (2) ((1) Osako U.

arxiv:astro-ph/0208026 v2 · 2002-08-01 · 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{QT7OWLZW4GGHY4PHWNRKJBICHK}

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	2026-05-18T02:32:22.893661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84feeb2f36e18c7c71e7b362a485023aa2a0578f1f568091d6127d38603485b2

Aliases

arxiv: astro-ph/0208026 · arxiv_version: astro-ph/0208026v2 · doi: 10.48550/arxiv.astro-ph/0208026 · pith_short_12: QT7OWLZW4GGH · pith_short_16: QT7OWLZW4GGHY4PH · pith_short_8: QT7OWLZW

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/QT7OWLZW4GGHY4PHWNRKJBICHK \
  | 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: 84feeb2f36e18c7c71e7b362a485023aa2a0578f1f568091d6127d38603485b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "057901680bc20808e7920589f26a438a72ae88f2aaf8c31195af5dae058e2007",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-08-01T08:57:35Z",
    "title_canon_sha256": "136bdf54335d718fbb89b50e084aab36c1a7d8bb89f568a6948661a647d4bdce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0208026",
    "kind": "arxiv",
    "version": 2
  }
}