Pith Number

pith:D56HI73J

pith:1997:D56HI73JRCR7YDW5FTLN457KMF

not attested not anchored not stored refs pending

Dynamical Constraints On Alternatives To Massive Black Holes In Galactic Nuclei

Eyal Maoz (UC Berkeley)

arxiv:astro-ph/9710309 v2 · 1997-10-27 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D56HI73JRCR7YDW5FTLN457KMF}

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.

Cited by

1 paper in Pith

Testing General Relativity with Black Holes

Receipt and verification

First computed	2026-07-04T16:03:19.820618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f7c747f6988a3fc0edd2cd6de77ea6158daceb3e6d634b245fae0c87b9fb4ef

Aliases

arxiv: astro-ph/9710309 · arxiv_version: astro-ph/9710309v2 · doi: 10.48550/arxiv.astro-ph/9710309 · pith_short_12: D56HI73JRCR7 · pith_short_16: D56HI73JRCR7YDW5 · pith_short_8: D56HI73J

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/D56HI73JRCR7YDW5FTLN457KMF \
  | 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: 1f7c747f6988a3fc0edd2cd6de77ea6158daceb3e6d634b245fae0c87b9fb4ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8658739fb1c3d395aa6e13ba2319b48feebfa215534c0a174a3975925a48d850",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-10-27T19:59:59Z",
    "title_canon_sha256": "71674161858245df10614773b785f22baad23334a855adcf643f6c1c021f547b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9710309",
    "kind": "arxiv",
    "version": 2
  }
}