Pith Number

pith:7QFQZ2SQ

pith:2017:7QFQZ2SQTDMPIHY4L6K4UTOZSS

not attested not anchored not stored refs pending

MUSE-inspired view of the quasar Q2059-360, its Lyman alpha blob, and its neighborhood

(2) ETHZ, (3) Stockholm University, (4) STAR Institute, (5) University of Haifa, (6) Observatoire de Gen\`eve, A. Verhamme (6), Belgium, C. Gorgoni (1), D. Chelouche (5), D. Sluse (4), F. Courbin (1) ((1) Ecole Polytechnique F\'ed\'erale de Lausanne (EPFL), Israel, Li\`ege, M. Hayes (3), P. L. North (1), R. A. Marino (2), S. Cantalupo (2), Sweden, Switzerland, Switzerland), Z\"urich

arxiv:1705.05728 v1 · 2017-05-16 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QFQZ2SQTDMPIHY4L6K4UTOZSS}

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	2026-05-18T00:38:52.584400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc0b0cea5098d8f41f1c5f95ca4dd994aeaccde4bfee30eb37f881c4d1ac9fcf

Aliases

arxiv: 1705.05728 · arxiv_version: 1705.05728v1 · doi: 10.48550/arxiv.1705.05728 · pith_short_12: 7QFQZ2SQTDMP · pith_short_16: 7QFQZ2SQTDMPIHY4 · pith_short_8: 7QFQZ2SQ

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/7QFQZ2SQTDMPIHY4L6K4UTOZSS \
  | 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: fc0b0cea5098d8f41f1c5f95ca4dd994aeaccde4bfee30eb37f881c4d1ac9fcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5be4c4caf60c589bb75f9a76d68b976adf1d9027e90d3b220e4e1b385c430e0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-16T14:35:31Z",
    "title_canon_sha256": "03267021760d04c08f36dc46aeec29062ddf111077305b6ce1a3c22ec500079b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05728",
    "kind": "arxiv",
    "version": 1
  }
}