Pith Number

pith:FMFP2FUR

pith:2013:FMFP2FURHEEUMNXQROEIICEL5S

not attested not anchored not stored refs pending

The 2XMMi/SDSS Galaxy Cluster Survey. II. The optically confirmed cluster sample and the L_X-T relation

A. Schwope, A. Takey, G Lamer

arxiv:1308.6699 v2 · 2013-08-30 · 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{FMFP2FURHEEUMNXQROEIICEL5S}

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	2026-05-18T03:11:46.095792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b0afd169139094636f08b8884088bec998ba80b294c457d8bf70f14b0c26239

Aliases

arxiv: 1308.6699 · arxiv_version: 1308.6699v2 · doi: 10.48550/arxiv.1308.6699 · pith_short_12: FMFP2FURHEEU · pith_short_16: FMFP2FURHEEUMNXQ · pith_short_8: FMFP2FUR

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/FMFP2FURHEEUMNXQROEIICEL5S \
  | 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: 2b0afd169139094636f08b8884088bec998ba80b294c457d8bf70f14b0c26239

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bd1b4df55105e3767229f49ac9e019cf05a83c93a5256302f4878a8aa601987",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-30T10:19:14Z",
    "title_canon_sha256": "b6cec581c438a9cb45b3cb122d358a7855ea39a63d81b4face25cb405dc1e836"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6699",
    "kind": "arxiv",
    "version": 2
  }
}