Pith Number

pith:T7UMGX5P

pith:2011:T7UMGX5PFDDO6VYJOEELILMLC2

not attested not anchored not stored refs pending

Observational selection effects and the M-sigma relation

Abraham Loeb, Douglas O. Richstone, Kayhan Gultekin, Scott Tremaine

arxiv:1106.1079 v1 · 2011-06-06 · astro-ph.CO · 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{T7UMGX5PFDDO6VYJOEELILMLC2}

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	2026-05-18T02:01:41.735679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fe8c35faf28c6ef57097108b42d8b168cb5e0fb2f983e7c51ba3f5e3f967d58

Aliases

arxiv: 1106.1079 · arxiv_version: 1106.1079v1 · doi: 10.48550/arxiv.1106.1079 · pith_short_12: T7UMGX5PFDDO · pith_short_16: T7UMGX5PFDDO6VYJ · pith_short_8: T7UMGX5P

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/T7UMGX5PFDDO6VYJOEELILMLC2 \
  | 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: 9fe8c35faf28c6ef57097108b42d8b168cb5e0fb2f983e7c51ba3f5e3f967d58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb51e9e2e913321a291d9bd9ce5097b825f2d6606b43bfcc8eee57a3b21fd353",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-06T14:37:35Z",
    "title_canon_sha256": "7709b18d58bf1938833b36b5d03e68d328551f19f1a03bc39c9422fc9d7adb35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1079",
    "kind": "arxiv",
    "version": 1
  }
}