Pith Number

pith:7FOW3VKT

pith:2022:7FOW3VKTFNAUV3LOIY3VVMWPWN

not attested not anchored not stored refs pending

Invoking the virial theorem to understand the impact of (dry) mergers on the $M_{\rm bh}$-$\sigma$ relation

Alister W. Graham

arxiv:2211.02187 v1 · 2022-11-03 · 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{7FOW3VKTFNAUV3LOIY3VVMWPWN}

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	2026-07-05T06:07:09.334258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f95d6dd5532b414aed6e46375ab2cfb364e100ab3a5190045065dce5e920ca7f

Aliases

arxiv: 2211.02187 · arxiv_version: 2211.02187v1 · doi: 10.48550/arxiv.2211.02187 · pith_short_12: 7FOW3VKTFNAU · pith_short_16: 7FOW3VKTFNAUV3LO · pith_short_8: 7FOW3VKT

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/7FOW3VKTFNAUV3LOIY3VVMWPWN \
  | 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: f95d6dd5532b414aed6e46375ab2cfb364e100ab3a5190045065dce5e920ca7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "923c7c1dff4d3dc61281a6cc8e99cf7f8d24c5e28bbee02c4041974caf6b03ca",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-11-03T23:28:34Z",
    "title_canon_sha256": "ef215a19e41121afa2957b1fd7d407941b401a112bffab70094ee584255d59a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.02187",
    "kind": "arxiv",
    "version": 1
  }
}