Pith Number

pith:NRJROOKG

pith:2009:NRJROOKGWOSEUO2NU4AP4V25R2

not attested not anchored not stored refs pending

Constraints on the presence of water megamaser emission in z~2.5 ultraluminous infrared starburst galaxies

Emmanuel Momjian (NRAO, Jeff Wagg, Socorro)

arxiv:0907.1087 v1 · 2009-07-06 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NRJROOKGWOSEUO2NU4AP4V25R2}

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	2026-05-18T02:13:04.924225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c53173946b3a44a3b4da700fe575d8e83703ac0168b5ad65b238b2223c260cb

Aliases

arxiv: 0907.1087 · arxiv_version: 0907.1087v1 · doi: 10.48550/arxiv.0907.1087 · pith_short_12: NRJROOKGWOSE · pith_short_16: NRJROOKGWOSEUO2N · pith_short_8: NRJROOKG

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/NRJROOKGWOSEUO2NU4AP4V25R2 \
  | 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: 6c53173946b3a44a3b4da700fe575d8e83703ac0168b5ad65b238b2223c260cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a184c2edc6deb7ca03a543226a2a82328253bc345e6516ee3490f3da68d60f08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-06T21:45:20Z",
    "title_canon_sha256": "5df0da8ef95f09897af914627dff5bb373adafac5b075a39260383af52805366"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1087",
    "kind": "arxiv",
    "version": 1
  }
}