Pith Number

pith:FJS4O5C3

pith:2017:FJS4O5C3XBJXNRVN6QRNZ5XJDK

not attested not anchored not stored refs pending

Enhancing the H2O Megamaser Detection Rate Using Optical and Mid-infrared Photometry

A. Constantin, C. A. Witherspoon, C. M. V. Impellizzeri, C. Y. Kuo, D. Pesce, F. Gao, H. H. Chung, I. Zaw, J. A. Braatz, J.-H. Woo, L. Hao

arxiv:1712.04204 v4 · 2017-12-12 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FJS4O5C3XBJXNRVN6QRNZ5XJDK}

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	2026-05-18T00:11:06.633115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a65c7745bb85376c6adf422dcf6e91aa4de46a74bd59668fb5dc6976b72f588

Aliases

arxiv: 1712.04204 · arxiv_version: 1712.04204v4 · doi: 10.48550/arxiv.1712.04204 · pith_short_12: FJS4O5C3XBJX · pith_short_16: FJS4O5C3XBJXNRVN · pith_short_8: FJS4O5C3

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/FJS4O5C3XBJXNRVN6QRNZ5XJDK \
  | 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: 2a65c7745bb85376c6adf422dcf6e91aa4de46a74bd59668fb5dc6976b72f588

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90fb032fe135c3981a343a4caba8e355f887f38907cf4b7881dbc407207ecfa5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-12T10:15:37Z",
    "title_canon_sha256": "f85b64fc55baeeef0c4343f9bffcdc9748e88684f77838f8cc1e22a0cd4464dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04204",
    "kind": "arxiv",
    "version": 4
  }
}