Pith Number

pith:MVJEUOWF

pith:2002:MVJEUOWFSQ5LTCZVN3SN44UOPO

not attested not anchored not stored refs pending

The OH Megamaser Luminosity Function

Jeremy Darling, Riccardo Giovanelli

arxiv:astro-ph/0204195 v1 · 2002-04-11 · 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{MVJEUOWFSQ5LTCZVN3SN44UOPO}

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	2026-07-04T16:29:41.399536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65524a3ac5943ab98b356ee4de728e7bacca8161550ccf5d04a279fba4e7e73c

Aliases

arxiv: astro-ph/0204195 · arxiv_version: astro-ph/0204195v1 · doi: 10.48550/arxiv.astro-ph/0204195 · pith_short_12: MVJEUOWFSQ5L · pith_short_16: MVJEUOWFSQ5LTCZV · pith_short_8: MVJEUOWF

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/MVJEUOWFSQ5LTCZVN3SN44UOPO \
  | 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: 65524a3ac5943ab98b356ee4de728e7bacca8161550ccf5d04a279fba4e7e73c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a10c916dc21b042e00135cd3b73bec9e849b014c98954c1ab7bc6471cd33f73d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-04-11T14:42:50Z",
    "title_canon_sha256": "fae3aa8ddfd3b1e5484c3fe4caeb9122ea91b0d545617be2a66e1a3f7e575739"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0204195",
    "kind": "arxiv",
    "version": 1
  }
}