Pith Number

pith:GPVYPU4X

pith:2013:GPVYPU4XTBO4CV4AHV6DZ5DQ3W

not attested not anchored not stored refs pending

The X-ray/SZ view of the virial region. II. Gas mass fraction

Dominique Eckert, Franco Vazza, Silvano Molendi, Stefano Ettori, St\'ephane Paltani

arxiv:1301.0624 v2 · 2013-01-03 · 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{GPVYPU4XTBO4CV4AHV6DZ5DQ3W}

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.

Cited by

1 paper in Pith

The limits of feedback from active galactic nuclei

Receipt and verification

First computed	2026-05-18T01:30:55.716886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33eb87d397985dc157803d7c3cf470dd8de7a459da624e44d6731463c28d93f7

Aliases

arxiv: 1301.0624 · arxiv_version: 1301.0624v2 · doi: 10.48550/arxiv.1301.0624 · pith_short_12: GPVYPU4XTBO4 · pith_short_16: GPVYPU4XTBO4CV4A · pith_short_8: GPVYPU4X

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/GPVYPU4XTBO4CV4AHV6DZ5DQ3W \
  | 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: 33eb87d397985dc157803d7c3cf470dd8de7a459da624e44d6731463c28d93f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc8a175b3ae2f8c5eaca2828fc51bbe639b3aab6987e75d95e6eee583ce9b61b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-03T21:00:03Z",
    "title_canon_sha256": "8c346e4d770647a7ab1c5c9258cf4b09005b1cc258bc8460dc0f21f2bcf97f60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0624",
    "kind": "arxiv",
    "version": 2
  }
}