Pith Number

pith:QRX4URJV

pith:2015:QRX4URJVK655KCBDGVPHC6ZW64

not attested not anchored not stored refs pending

The Cluster-Scale Environment of PKS 2155-304

E. P. Farina, M. Fumagalli, N. Fanidakis, R. Decarli

arxiv:1510.01779 v1 · 2015-10-06 · astro-ph.GA · 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{QRX4URJVK655KCBDGVPHC6ZW64}

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	2026-05-18T01:26:41.163684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

846fca453557bbd50823355e717b36f711d0d35c3de55ebb11776955d7c77076

Aliases

arxiv: 1510.01779 · arxiv_version: 1510.01779v1 · doi: 10.48550/arxiv.1510.01779 · pith_short_12: QRX4URJVK655 · pith_short_16: QRX4URJVK655KCBD · pith_short_8: QRX4URJV

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/QRX4URJVK655KCBDGVPHC6ZW64 \
  | 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: 846fca453557bbd50823355e717b36f711d0d35c3de55ebb11776955d7c77076

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9be70f9796a7bb3e31fc0d18884c09fb6484b62bea5c24e07fd70889674a5e0e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-06T23:30:12Z",
    "title_canon_sha256": "fb9fd6d1247abca1efd054ae62cc2c71ca7f92109a53d7cc0cd5dcc542d86990"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01779",
    "kind": "arxiv",
    "version": 1
  }
}