Pith Number

pith:KODGDMIC

pith:2009:KODGDMICEFNSU2BNRJCRIJDJZP

not attested not anchored not stored refs pending

Analytic study of mass segregation around a massive black hole

Clovis Hopman, Tal Alexander, Uri Keshet

arxiv:0901.4343 v2 · 2009-01-28 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KODGDMICEFNSU2BNRJCRIJDJZP}

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	2026-05-18T04:29:17.072197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

538661b102215b2a682d8a45142469cbc6ceec414cc164a2416b394232a278f5

Aliases

arxiv: 0901.4343 · arxiv_version: 0901.4343v2 · doi: 10.48550/arxiv.0901.4343 · pith_short_12: KODGDMICEFNS · pith_short_16: KODGDMICEFNSU2BN · pith_short_8: KODGDMIC

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/KODGDMICEFNSU2BNRJCRIJDJZP \
  | 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: 538661b102215b2a682d8a45142469cbc6ceec414cc164a2416b394232a278f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62982f33fe3483d4c564abf1d9b9e1bb58009d03130cc887e7ef6a2d1a7e6a00",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-01-28T20:38:26Z",
    "title_canon_sha256": "efd9fa04b76b77a9acf8b7294f9bb3e57432cf189f5f6000a3ee5c97c0ce602b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4343",
    "kind": "arxiv",
    "version": 2
  }
}