Pith Number

pith:OS7FZVZA

pith:2009:OS7FZVZAGNIJY2ZZMZZAXYHF2K

not attested not anchored not stored refs pending

Constrained simulations of the Local Group: on the radial distribution of substructures

Alexander Knebe, Gustavo Yepes, Noam I Libeskind, Stefan Gottloeber, Steffen R Knollman, Yehuda Hoffman

arxiv:0909.4423 v1 · 2009-09-24 · 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{OS7FZVZAGNIJY2ZZMZZAXYHF2K}

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	2026-05-18T02:11:38.072558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74be5cd72033509c6b3966720be0e5d280d13b19c277fc43821bba30800708bd

Aliases

arxiv: 0909.4423 · arxiv_version: 0909.4423v1 · doi: 10.48550/arxiv.0909.4423 · pith_short_12: OS7FZVZAGNIJ · pith_short_16: OS7FZVZAGNIJY2ZZ · pith_short_8: OS7FZVZA

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/OS7FZVZAGNIJY2ZZMZZAXYHF2K \
  | 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: 74be5cd72033509c6b3966720be0e5d280d13b19c277fc43821bba30800708bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0882a8f035ea0631f97cc52bf3ad45fa81712dac239a391ece9863eaebd47bd8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-24T12:27:05Z",
    "title_canon_sha256": "4d8bb4f9e6a4924d739631d6de529eb18d88b01a197a6b1a54124ae644fc70ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4423",
    "kind": "arxiv",
    "version": 1
  }
}