Pith Number

pith:HLDLRIBX

pith:2019:HLDLRIBXGM5KT24OSPG5FN6JIV

not attested not anchored not stored refs pending

A Spectral Analysis of the Centimeter Regime of Nearby Galaxies: RRLs, Excited OH, and NH$_3$

Brian A. Eisner, David S. Meier, John M. Cannon, Juergen Ott

arxiv:1908.08839 v1 · 2019-08-23 · 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{HLDLRIBXGM5KT24OSPG5FN6JIV}

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	2026-07-05T00:03:51.997869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ac6b8a037333aa9eb8e93cdd2b7c94569cf53c84cbec23288a356513fd352e3

Aliases

arxiv: 1908.08839 · arxiv_version: 1908.08839v1 · doi: 10.48550/arxiv.1908.08839 · pith_short_12: HLDLRIBXGM5K · pith_short_16: HLDLRIBXGM5KT24O · pith_short_8: HLDLRIBX

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/HLDLRIBXGM5KT24OSPG5FN6JIV \
  | 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: 3ac6b8a037333aa9eb8e93cdd2b7c94569cf53c84cbec23288a356513fd352e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "095e6c2ff98f8e1249414e1ba5b36f736d403fd61e0803f1f701005887ea683d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-08-23T14:23:26Z",
    "title_canon_sha256": "dc7741bb961c745b2374301d69fa67de971ab455220d973ac243d791d509741c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08839",
    "kind": "arxiv",
    "version": 1
  }
}