Pith Number

pith:UFRU74ZF

pith:2015:UFRU74ZFKXMWYTGKQITTX3SGBG

not attested not anchored not stored refs pending

Dynamical evolution of massive black holes in galactic-scale N-body simulations - introducing the regularized tree code "rVINE"

M. G. Haehnelt, R. Spurzem, S. J. Aarseth, S. J. Karl, T. Naab

arxiv:1507.01009 v1 · 2015-07-03 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UFRU74ZFKXMWYTGKQITTX3SGBG}

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	2026-05-18T01:35:44.748193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1634ff32555d96c4cca82273bee46099e27c6f321fbae69616ad91c07661edd

Aliases

arxiv: 1507.01009 · arxiv_version: 1507.01009v1 · doi: 10.48550/arxiv.1507.01009 · pith_short_12: UFRU74ZFKXMW · pith_short_16: UFRU74ZFKXMWYTGK · pith_short_8: UFRU74ZF

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/UFRU74ZFKXMWYTGKQITTX3SGBG \
  | 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: a1634ff32555d96c4cca82273bee46099e27c6f321fbae69616ad91c07661edd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee788d9e807449a2362a79b4c3e00622f7cf2e5edfe95532849dc0d29a39c05c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-07-03T20:02:06Z",
    "title_canon_sha256": "e7d2c8869a4d718f2a96e215829ef7f511b6b3a38b1629898c5c82821e3f4ed3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01009",
    "kind": "arxiv",
    "version": 1
  }
}