Pith Number

pith:B4E2YOQJ

pith:2002:B4E2YOQJRNKQVJIDPDBUXLZWM4

not attested not anchored not stored refs pending

Revision of the Selection Function of the Optical Redshift Survey using the Sloan Digital Sky Survey Early Data Release: Toward an Accurate Estimate of Source Number Density of Ultra-High Energy Cosmic Rays

H. Yoshiguchi, K. Sato, N. Ohama, S. Nagataki, S. Okamura

arxiv:astro-ph/0212061 v2 · 2002-12-03 · 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{B4E2YOQJRNKQVJIDPDBUXLZWM4}

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	2026-05-18T01:40:39.836049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f09ac3a098b550aa50378c34baf3667086c80cfcff31ea7880d280095f71f06

Aliases

arxiv: astro-ph/0212061 · arxiv_version: astro-ph/0212061v2 · doi: 10.48550/arxiv.astro-ph/0212061 · pith_short_12: B4E2YOQJRNKQ · pith_short_16: B4E2YOQJRNKQVJID · pith_short_8: B4E2YOQJ

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/B4E2YOQJRNKQVJIDPDBUXLZWM4 \
  | 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: 0f09ac3a098b550aa50378c34baf3667086c80cfcff31ea7880d280095f71f06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "984760f2e4f6c7477e2ee2ce2c244afa9ae1a87fc73091c29be0d853a130b4e9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-03T12:41:48Z",
    "title_canon_sha256": "3fddd05f6ada23241808bcafe5e7ae77c5c2bb711fec17d3959158bde31a821f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212061",
    "kind": "arxiv",
    "version": 2
  }
}