Pith Number

pith:MVPDPWT7

pith:2013:MVPDPWT7AMUQTN4ZIH4GDYJB2U

not attested not anchored not stored refs pending

F-VIPGI: a new adapted version of VIPGI for FORS2 spectroscopy. Application to a sample of 16 X-ray selected galaxy clusters at 0.6 < z < 1.2

Alessandro Nastasi, Bianca Garilli, Daniele Pierini, Hans Boehringer, Marco Scodeggio, Miguel Verdugo, Paolo Franzetti, Rene Fassbender

arxiv:1301.2327 v1 · 2013-01-10 · astro-ph.IM · 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{MVPDPWT7AMUQTN4ZIH4GDYJB2U}

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	2026-05-18T01:52:13.705475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

655e37da7f032909b79941f861e121d51d4ebfaaa7a151db308a0b8a4c374cdf

Aliases

arxiv: 1301.2327 · arxiv_version: 1301.2327v1 · doi: 10.48550/arxiv.1301.2327 · pith_short_12: MVPDPWT7AMUQ · pith_short_16: MVPDPWT7AMUQTN4Z · pith_short_8: MVPDPWT7

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/MVPDPWT7AMUQTN4ZIH4GDYJB2U \
  | 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: 655e37da7f032909b79941f861e121d51d4ebfaaa7a151db308a0b8a4c374cdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcdeed98fe1e844c11d6fe20f4321c779b532df19ff5f89d8ef1d3226bcfb8b7",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-01-10T21:00:02Z",
    "title_canon_sha256": "0cab6df0ab91699b37b4497a8c1ea2058c092f69bb16c026bcf020773644a031"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2327",
    "kind": "arxiv",
    "version": 1
  }
}