Pith Number

pith:TFMHR6LT

pith:2011:TFMHR6LTISRRZMNQ6X334TII6K

not attested not anchored not stored refs pending

Empirical Constraints on the Coevolution of Supermassive Black Holes and their Host Spheroids

Abraham Loeb, Charlie Conroy, Gongjie Li

arxiv:1110.0017 v1 · 2011-09-30 · 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{TFMHR6LTISRRZMNQ6X334TII6K}

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	2026-05-18T04:11:50.966286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

995878f97344a31cb1b0f5f7be4d08f28101692b538dd696622897cf48fd2a30

Aliases

arxiv: 1110.0017 · arxiv_version: 1110.0017v1 · doi: 10.48550/arxiv.1110.0017 · pith_short_12: TFMHR6LTISRR · pith_short_16: TFMHR6LTISRRZMNQ · pith_short_8: TFMHR6LT

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/TFMHR6LTISRRZMNQ6X334TII6K \
  | 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: 995878f97344a31cb1b0f5f7be4d08f28101692b538dd696622897cf48fd2a30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27da93bbe2a839a193d1cf71a2709bf7fe2dbaa05e68b5e1cb67383bbaeec78d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-30T20:36:21Z",
    "title_canon_sha256": "310cf75c4a48ccad552273790a174c0980fd0d5c9fe6de178e7b63d4a9de495d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.0017",
    "kind": "arxiv",
    "version": 1
  }
}