Pith Number

pith:S3U6ZUN6

pith:2012:S3U6ZUN6KR27LTQDWEKCKC2ZBF

not attested not anchored not stored refs pending

Evolution in cluster cores since z~1

Chris Collins, Claire Burke, John Stott, Matt Hilton

arxiv:1211.1826 v1 · 2012-11-08 · 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{S3U6ZUN6KR27LTQDWEKCKC2ZBF}

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	2026-05-18T01:53:18.073590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96e9ecd1be5475f5ce03b114250b59097e9258a282515bcdb5f1bd101ff8568e

Aliases

arxiv: 1211.1826 · arxiv_version: 1211.1826v1 · doi: 10.48550/arxiv.1211.1826 · pith_short_12: S3U6ZUN6KR27 · pith_short_16: S3U6ZUN6KR27LTQD · pith_short_8: S3U6ZUN6

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/S3U6ZUN6KR27LTQDWEKCKC2ZBF \
  | 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: 96e9ecd1be5475f5ce03b114250b59097e9258a282515bcdb5f1bd101ff8568e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dff186a05f5e7fa6e05284fe3bfef1f65c808b82e57bba2d13138bb561ce7234",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-08T11:03:13Z",
    "title_canon_sha256": "8e4e0294e1a8c3e0bebf9ef0419b68128c381938115df6b19494f1e9426d2664"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1826",
    "kind": "arxiv",
    "version": 1
  }
}