Pith Number

pith:5JMMGNIF

pith:2017:5JMMGNIFVTX6BIUUCBKMLSDEEM

not attested not anchored not stored refs pending

A systematic observational study of radio properties of H2O megamaser Seyfert 2s: A Guide for H2O megamaser surveys

C. Henkel, J. S. Zhang, Z. W. Liu

arxiv:1712.06083 v1 · 2017-12-17 · 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{5JMMGNIFVTX6BIUUCBKMLSDEEM}

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	2026-05-18T00:07:43.246251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea58c33505acefe0a2941054c5c86423380876c02b7f20e6dac0b38bb94ea040

Aliases

arxiv: 1712.06083 · arxiv_version: 1712.06083v1 · doi: 10.48550/arxiv.1712.06083 · pith_short_12: 5JMMGNIFVTX6 · pith_short_16: 5JMMGNIFVTX6BIUU · pith_short_8: 5JMMGNIF

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/5JMMGNIFVTX6BIUUCBKMLSDEEM \
  | 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: ea58c33505acefe0a2941054c5c86423380876c02b7f20e6dac0b38bb94ea040

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "436f04576b463fe66c9e2e95a0b9beea9f1c8ea0449496b8f7056888e4f684d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-17T10:12:04Z",
    "title_canon_sha256": "fbb83b7c6b641676142441a30e64678a53c1986dafef1f5682da3b465325a3a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06083",
    "kind": "arxiv",
    "version": 1
  }
}