Pith Number

pith:UNU5UHMJ

pith:2011:UNU5UHMJXKH3ALNFJH24PLUIGN

not attested not anchored not stored refs pending

Water vapour at high redshift: Arecibo monitoring of the megamaser in MG J0414+0534

(2) National Radio Astronomy Observatory, (3) Astron, (4) Max-Planck-Institut f\"ur Radioastronomie, (5) Argelander-Institut f\"ur Astronomie, (6) National Radio Astronomy Observatory, A. Brunthaler (4), A. L. Roy (4), Bonn, Capoterra, Charllottesville, C. Henkel (4), C. M. V. Impellizzeri (2), Dwingeloo, E. Momjian (6) ((1) INAF-Osservatorio Astronomico di Cagliari, Germany, Italy, J. Ott (6), J. P. McKean (3), O. Wucknitz (5), P. Castangia (1), Socorro, The Netherlands, USA, USA)

arxiv:1103.4301 v1 · 2011-03-22 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UNU5UHMJXKH3ALNFJH24PLUIGN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:02:48.209022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a369da1d89ba8fb02da549f5c7ae88336769e90831de2d5c9c7708e7c9599220

Aliases

arxiv: 1103.4301 · arxiv_version: 1103.4301v1 · doi: 10.48550/arxiv.1103.4301 · pith_short_12: UNU5UHMJXKH3 · pith_short_16: UNU5UHMJXKH3ALNF · pith_short_8: UNU5UHMJ

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/UNU5UHMJXKH3ALNFJH24PLUIGN \
  | 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: a369da1d89ba8fb02da549f5c7ae88336769e90831de2d5c9c7708e7c9599220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb0ff26bcafe59b057ca78d9a7f481992de002737e7dbb66451c760e11c3e7ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-22T16:31:57Z",
    "title_canon_sha256": "efac49b5fdb6f4d213984f94714e9735759d1388414c9f74361502f12d440212"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4301",
    "kind": "arxiv",
    "version": 1
  }
}