Pith Number

pith:KZRZ4FE6

pith:2011:KZRZ4FE6EJTQIS6BJDRIUOWFEW

not attested not anchored not stored refs pending

Modeling the red sequence: Hierarchical growth yet slow luminosity evolution

Eric F. Bell, Rachel S. Somerville, Rosalind E. Skelton

arxiv:1112.1077 v2 · 2011-12-05 · 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{KZRZ4FE6EJTQIS6BJDRIUOWFEW}

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	2026-05-18T03:53:42.357022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56639e149e2267044bc148e28a3ac525bd70efdc09ed4046e5db559bf77b930c

Aliases

arxiv: 1112.1077 · arxiv_version: 1112.1077v2 · doi: 10.48550/arxiv.1112.1077 · pith_short_12: KZRZ4FE6EJTQ · pith_short_16: KZRZ4FE6EJTQIS6B · pith_short_8: KZRZ4FE6

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/KZRZ4FE6EJTQIS6BJDRIUOWFEW \
  | 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: 56639e149e2267044bc148e28a3ac525bd70efdc09ed4046e5db559bf77b930c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3091dbbc85e04648e7b9447c3775075ec068828471deeb96edc0a47cf94fb46c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-05T21:00:05Z",
    "title_canon_sha256": "f77cb1d10192112916e29fe68435d4a3bedf7e029dc199596af467dea6c303a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1077",
    "kind": "arxiv",
    "version": 2
  }
}