pith. sign in
Pith Number

pith:4D5BRIN2

pith:2011:4D5BRIN252TB4Q4LONYJQIUX6T
not attested not anchored not stored refs pending

Ammonia as a Temperature Tracer in the Ultraluminous Galaxy Merger Arp220

Axel Weiss (MPIfR), Christian Henkel (MPIfR, James A Braatz (NRAO), Juergen Ott (NRAO), King Abdulaziz University)

arxiv:1108.3088 v1 · 2011-08-15 · astro-ph.CO · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4D5BRIN252TB4Q4LONYJQIUX6T}

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 2026-05-18T02:00:53.645921Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e0fa18a1baeea61e438b7370982297f4d35099fa9be4fda49119d0f13c040883

Aliases

arxiv: 1108.3088 · arxiv_version: 1108.3088v1 · doi: 10.48550/arxiv.1108.3088 · pith_short_12: 4D5BRIN252TB · pith_short_16: 4D5BRIN252TB4Q4L · pith_short_8: 4D5BRIN2
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4D5BRIN252TB4Q4LONYJQIUX6T \
  | 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: e0fa18a1baeea61e438b7370982297f4d35099fa9be4fda49119d0f13c040883
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "eb12303cb595265e653a31b06a339fb477ff223a0781b2c389fd48895cf3b036",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-15T20:14:39Z",
    "title_canon_sha256": "3d8920f8205326cd5ba69a7b08803f2a5ae2fd230712249587d02838c03b95f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3088",
    "kind": "arxiv",
    "version": 1
  }
}