Pith Number

pith:UQ5VDMVL

pith:2021:UQ5VDMVLZBMYI53DX5SSTSFEGM

not attested not anchored not stored refs pending

Galaxy Core Formation by Supermassive Black Hole Binaries: the Importance of Realistic Initial Conditions and Galaxy Morphology

Chung-Pei Ma, Fani Dosopoulou, Jenny E. Greene

arxiv:2108.08317 v2 · 2021-08-18 · 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{UQ5VDMVLZBMYI53DX5SSTSFEGM}

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	2026-07-05T03:34:32.588889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a43b51b2abc859847763bf6529c8a4333947deae9096340d2c33a8a584e21cc2

Aliases

arxiv: 2108.08317 · arxiv_version: 2108.08317v2 · doi: 10.48550/arxiv.2108.08317 · pith_short_12: UQ5VDMVLZBMY · pith_short_16: UQ5VDMVLZBMYI53D · pith_short_8: UQ5VDMVL

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/UQ5VDMVLZBMYI53DX5SSTSFEGM \
  | 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: a43b51b2abc859847763bf6529c8a4333947deae9096340d2c33a8a584e21cc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18e3598c299c1b137f50b51efbe8f0ae4d614c1d9c5ad25ccb48168f5142f485",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-08-18T18:00:22Z",
    "title_canon_sha256": "86bf711c466df60fd072be1f8abf68fc826d299be5f2ba0f194f54dc9d5f0257"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.08317",
    "kind": "arxiv",
    "version": 2
  }
}