pith. sign in
Pith Number

pith:X53ES4LM

pith:2014:X53ES4LMIQZ4ZHPZBX2ADAMNB7
not attested not anchored not stored refs pending

Hot Ammonia around Young O-type Stars. II. JVLA imaging of highly-excited metastable ammonia masers in W51-North

Christian Henkel, Ciriaco Goddi, Luis Zapata, Qizhou Zhang, Thomas L. Wilson

arxiv:1411.1075 v1 · 2014-11-04 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{X53ES4LMIQZ4ZHPZBX2ADAMNB7}

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 2026-05-18T02:29:31.367334Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bf7649716c4433cc9df90df401818d0fe87c65d3965a41ed42a6ff81f2ab68df

Aliases

arxiv: 1411.1075 · arxiv_version: 1411.1075v1 · doi: 10.48550/arxiv.1411.1075 · pith_short_12: X53ES4LMIQZ4 · pith_short_16: X53ES4LMIQZ4ZHPZ · pith_short_8: X53ES4LM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/X53ES4LMIQZ4ZHPZBX2ADAMNB7 \
  | 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: bf7649716c4433cc9df90df401818d0fe87c65d3965a41ed42a6ff81f2ab68df
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0583bf9da827e1906ec196145447176051719001b2451b39a5c749ed5606217e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-11-04T21:01:31Z",
    "title_canon_sha256": "ab5d75e3a5135d59ef74001ff7da40d4211ff59215d9ebb3b32d9b3b9d516af8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1075",
    "kind": "arxiv",
    "version": 1
  }
}