Pith Number

pith:QW2DVS3P

pith:2013:QW2DVS3PQISJWHAGLNQPR7T6KV

not attested not anchored not stored refs pending

Accurate Sky Continuum Subtraction with Fibre-fed Spectrographs

Brazil (4) SUPA, CNRS, France (2) ESO (3) Observatorio do Valongo, Institute for Astronomy, Italy (7) Cavendish Laboratory, Meudon, Observatoire de Paris, Osservatorio Astronomico di Roma, Royal Observatory of Edinburgh, UK), UK (5) UK Astronomy Technology Centre, UK (6) INAF, Universit\'e Paris Diderot, University of Cambridge, University of Edinburgh, Yanbin Yang (1) Myriam Rodrigues (2) Mathieu Puech (1) Hector Flores (1) Frederic Royer (1) Karen Disseau (1) Thiago Gon\c{c}alves (3) Fran\c{c}ois Hammer (1) Michele Cirasuolo (4) Chris Evans (5) Gianluca Li Causi (6) Roberto Maiolino (7) Claudio Melo (2) ((1) GEPI

arxiv:1302.3620 v1 · 2013-02-14 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QW2DVS3PQISJWHAGLNQPR7T6KV}

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	2026-05-18T03:33:36.392696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85b43acb6f82249b1c065b60f8fe7e5543a1ccbd992dccc969dff8a69c34d33f

Aliases

arxiv: 1302.3620 · arxiv_version: 1302.3620v1 · doi: 10.48550/arxiv.1302.3620 · pith_short_12: QW2DVS3PQISJ · pith_short_16: QW2DVS3PQISJWHAG · pith_short_8: QW2DVS3P

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/QW2DVS3PQISJWHAGLNQPR7T6KV \
  | 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: 85b43acb6f82249b1c065b60f8fe7e5543a1ccbd992dccc969dff8a69c34d33f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adb4d58e08064793a3b620efa297559d9d726fe903e7fb796551e759cd5379a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-02-14T21:00:10Z",
    "title_canon_sha256": "b447bcfd8caf4166dabe9cfd1b820562eb45e256f929a7a402dfe00bc1a2a126"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3620",
    "kind": "arxiv",
    "version": 1
  }
}