Pith Number

pith:M34ZEYHR

pith:2009:M34ZEYHRC3ELJLMXYQITBOOKPF

not attested not anchored not stored refs pending

The slope of the mass profile and the tilt of the fundamental plane in early-type galaxies

David A. Buote (UC Irvine), Philip J. Humphrey

arxiv:0911.0678 v2 · 2009-11-03 · 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{M34ZEYHRC3ELJLMXYQITBOOKPF}

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	2026-05-18T02:11:00.027356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66f99260f116c8b4ad97c41130b9ca795da1ab14d3079c8e8e5e7156b76ec91c

Aliases

arxiv: 0911.0678 · arxiv_version: 0911.0678v2 · doi: 10.48550/arxiv.0911.0678 · pith_short_12: M34ZEYHRC3EL · pith_short_16: M34ZEYHRC3ELJLMX · pith_short_8: M34ZEYHR

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/M34ZEYHRC3ELJLMXYQITBOOKPF \
  | 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: 66f99260f116c8b4ad97c41130b9ca795da1ab14d3079c8e8e5e7156b76ec91c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92cbe26c5dffbf2fc51d637ad7c297168417fc1e4293172d500b8eda1c436818",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-03T21:00:19Z",
    "title_canon_sha256": "2b334cf762fe35ea6256bd7509bfe2c3769d2f61268b8fa1013b33ea5954b00c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0678",
    "kind": "arxiv",
    "version": 2
  }
}