Pith Number

pith:X45RGXHA

pith:2001:X45RGXHAPQTJRX2YITINFYMPBR

not attested not anchored not stored refs pending

A Search for OH Megamasers at z > 0.1. II. Further Results

Jeremy Darling, Riccardo Giovanelli

arxiv:astro-ph/0102345 v1 · 2001-02-20 · 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{X45RGXHAPQTJRX2YITINFYMPBR}

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	2026-07-04T16:22:45.595552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf3b135ce07c2698df5844d0d2e18f0c43a8a9c1a4a7ca46e51e63b90c8288b7

Aliases

arxiv: astro-ph/0102345 · arxiv_version: astro-ph/0102345v1 · doi: 10.48550/arxiv.astro-ph/0102345 · pith_short_12: X45RGXHAPQTJ · pith_short_16: X45RGXHAPQTJRX2Y · pith_short_8: X45RGXHA

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/X45RGXHAPQTJRX2YITINFYMPBR \
  | 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: bf3b135ce07c2698df5844d0d2e18f0c43a8a9c1a4a7ca46e51e63b90c8288b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfa57fd9f549aadf836f688fe07fa45ea3987063853f55cb751b5506f21e4461",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-02-20T20:22:29Z",
    "title_canon_sha256": "ce2f2f227ba2e431adabfa8c0a94c7c896e8be12918323935fba1505c0a61406"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0102345",
    "kind": "arxiv",
    "version": 1
  }
}