Pith Number

pith:UQC24X2R

pith:2016:UQC24X2RYD2HTSHSYIMQWWCKLT

not attested not anchored not stored refs pending

The most massive galaxies in clusters are already fully grown at $z \sim 0.5$

L. J. Oldham, R. C. W. Houghton, Roger L. Davies

arxiv:1610.08554 v1 · 2016-10-26 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQC24X2RYD2HTSHSYIMQWWCKLT}

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	2026-05-18T00:54:16.373828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a405ae5f51c0f479c8f2c2190b584a5cfb20fd2ae8e40dd32cf66cdabe2fc954

Aliases

arxiv: 1610.08554 · arxiv_version: 1610.08554v1 · doi: 10.48550/arxiv.1610.08554 · pith_short_12: UQC24X2RYD2H · pith_short_16: UQC24X2RYD2HTSHS · pith_short_8: UQC24X2R

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/UQC24X2RYD2HTSHSYIMQWWCKLT \
  | 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: a405ae5f51c0f479c8f2c2190b584a5cfb20fd2ae8e40dd32cf66cdabe2fc954

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea6ead13d4159f00b80e0b9fdbb1e377e7fba12bfe4e92cb06a64958963e1ffd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-26T21:23:08Z",
    "title_canon_sha256": "39433b815e150f5a642fc66bff834b0b4a09ef74b67fe46b1a95f6eefd78a68f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08554",
    "kind": "arxiv",
    "version": 1
  }
}