Pith Number

pith:LAK64NKE

pith:2002:LAK64NKEFD4F2GRPSPRTIEQOXO

not attested not anchored not stored refs pending

Difficulties with Recovering The Masses of Supermassive Black Holes from Stellar Kinematical Data

David Merritt (Rutgers), Eric Emsellem (Lyon), Monica Valluri (Chicago)

arxiv:astro-ph/0210379 v2 · 2002-10-17 · 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{LAK64NKEFD4F2GRPSPRTIEQOXO}

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

2 papers in Pith

Predicting intermediate-mass black hole formation in star clusters with machine learning

Constraints on Schwarzschild Black Hole in a Generalized Dehnen-Type $(1,4,\gamma)$ Dark Matter Halo via the S2 Star Orbit around Sgr A$^\star$

Receipt and verification

First computed	2026-05-18T04:22:19.949944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5815ee354428f85d1a2f93e334120ebb9184d2349b08dde90278cd7f3da49eb4

Aliases

arxiv: astro-ph/0210379 · arxiv_version: astro-ph/0210379v2 · doi: 10.48550/arxiv.astro-ph/0210379 · pith_short_12: LAK64NKEFD4F · pith_short_16: LAK64NKEFD4F2GRP · pith_short_8: LAK64NKE

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/LAK64NKEFD4F2GRPSPRTIEQOXO \
  | 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: 5815ee354428f85d1a2f93e334120ebb9184d2349b08dde90278cd7f3da49eb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48c80ed37aa6be35c829269a0d9b7a612f6d459678e89ee69c7551a15718fb2f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-17T19:24:27Z",
    "title_canon_sha256": "94db2bb907568b9605ba85637e7971f58f808b4fe1c718c21f8f66dbd5635121"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210379",
    "kind": "arxiv",
    "version": 2
  }
}