Pith Number

pith:7KS5HCH5

pith:2008:7KS5HCH5YTTQVBS7ODEDOYZEP3

not attested not anchored not stored refs pending

Infall Regions and Scaling Relations of X-ray Selected Groups

Antonaldo Diaferio, Kenneth Rines

arxiv:0809.4015 v2 · 2008-09-23 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7KS5HCH5YTTQVBS7ODEDOYZEP3}

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	2026-05-18T02:15:33.928793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

faa5d388fdc4e70a865f70c83763247ee6504beb0394ff95bcc96c70ec60cc74

Aliases

arxiv: 0809.4015 · arxiv_version: 0809.4015v2 · doi: 10.48550/arxiv.0809.4015 · pith_short_12: 7KS5HCH5YTTQ · pith_short_16: 7KS5HCH5YTTQVBS7 · pith_short_8: 7KS5HCH5

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/7KS5HCH5YTTQVBS7ODEDOYZEP3 \
  | 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: faa5d388fdc4e70a865f70c83763247ee6504beb0394ff95bcc96c70ec60cc74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ef4abefab97e93983940731a7d60d591534956b381c38b3a8b4a317cab46f1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-23T20:26:37Z",
    "title_canon_sha256": "697c98117a9f982e5b6e918b4e1163d4ddf7cb54d441e94a8168db0613d61480"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4015",
    "kind": "arxiv",
    "version": 2
  }
}