Pith Number

pith:XQE4KMAM

pith:2010:XQE4KMAM3BQSBKNBYTIWECFG25

not attested not anchored not stored refs pending

Dense Molecular Gas Excitation at High Redshift: Detection of HCO+(J=4-3) Emission in the Cloverleaf Quasar

2, (2) MPIA, (3) Nrao, (4) IRAM, (5) MPIfR, (6) AIfA, 7), (7) Hubble Fellow), Axel Weiss (5), Christopher L. Carilli (3), Dominik A. Riechers (1, Fabian Walter (2), Frank Bertoldi (6), Karl M. Menten (5) ((1) Caltech, Pierre Cox (4)

arxiv:1011.0991 v1 · 2010-11-03 · 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{XQE4KMAM3BQSBKNBYTIWECFG25}

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	2026-05-18T04:03:54.621681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc09c5300cd86120a9a1c4d16208a6d7604dd0539022286eb8f8701e7eddf630

Aliases

arxiv: 1011.0991 · arxiv_version: 1011.0991v1 · doi: 10.48550/arxiv.1011.0991 · pith_short_12: XQE4KMAM3BQS · pith_short_16: XQE4KMAM3BQSBKNB · pith_short_8: XQE4KMAM

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/XQE4KMAM3BQSBKNBYTIWECFG25 \
  | 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: bc09c5300cd86120a9a1c4d16208a6d7604dd0539022286eb8f8701e7eddf630

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afdf672026e27f2caeaffbb2f7e6d3726706c29ececf6c230786c293b4b43a6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-03T19:59:45Z",
    "title_canon_sha256": "f138ba29a8e81a76e3bffebe1ef7882388a34f2eb3b2f60dee6d9dbe1234905c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0991",
    "kind": "arxiv",
    "version": 1
  }
}