Pith Number

pith:PGJEXDQZ

pith:2012:PGJEXDQZBFTEVR6FPWDFZJQSTO

not attested not anchored not stored refs pending

The VIMOS Public Extragalactic Redshift Survey (VIPERS): spectral classification through Principal Component Analysis

A. Burden, A. Cappi, A. Fritz, A. Iovino, A. Marchetti, A. Pollo, A. Zanichelli, B. Garilli, B. Meneux, B. R. Granett, C. Adami, C. Di Porto, C. Marinoni, C. Schimd, D. Bottini, D. Maccagni, D. Vergani, E. Branchini, F. Marulli, G. De Lucia, G. Zamorani, H. J. McCracken, H. Schlagenhaufer, I. Davidzon, J.A. Peacock, J. Bel, J. Blaizot, J. Coupon, J. Krywult, K. Malek, L. Guennou, L. Guzzo, L. Moscardini, L. Paioro, L. Tasca, M. Bersanelli, M. Bolzonella, M. Fumana, M. Polletta, M. Scodeggio, M. Wolk, O. Cucciati, O. Ilbert, O. Le Fevre, P. Franzetti, R.C. Nichol, R. Tojeiro, S. Arnouts, S. de la Torre, S. Phleps, U. Abbas, V. Le Brun, W.J. Percival, Y. Mellier

arxiv:1207.4374 v2 · 2012-07-18 · 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{PGJEXDQZBFTEVR6FPWDFZJQSTO}

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	2026-05-18T01:56:16.848976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79924b8e1909664ac7c57d865ca6129ba52e796ece1cbfc6b98190c840981a5b

Aliases

arxiv: 1207.4374 · arxiv_version: 1207.4374v2 · doi: 10.48550/arxiv.1207.4374 · pith_short_12: PGJEXDQZBFTE · pith_short_16: PGJEXDQZBFTEVR6F · pith_short_8: PGJEXDQZ

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/PGJEXDQZBFTEVR6FPWDFZJQSTO \
  | 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: 79924b8e1909664ac7c57d865ca6129ba52e796ece1cbfc6b98190c840981a5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef72075522c8b0ca579437c7bc27a649f7104bf8d6e2df5944c8585397a605b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-18T13:30:06Z",
    "title_canon_sha256": "4de36914075475997cc57a15fa1bdf336770e041038a4e8a11e5378aa1a848d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4374",
    "kind": "arxiv",
    "version": 2
  }
}