Pith Number

pith:272YG5IU

pith:2009:272YG5IU6E53GZGGNWVD5R5KDX

not attested not anchored not stored refs pending

Substructure depletion in the Milky Way halo by the disk

(2) MPA, Dusan Keres (1) ((1) Harvard/Cfa, Elena D'Onghia (1), Garching), Lars Hernquist (1), Volker Springel (2)

arxiv:0907.3482 v2 · 2009-07-20 · 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{272YG5IU6E53GZGGNWVD5R5KDX}

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	2026-05-18T02:12:55.384810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7f5837514f13bb364c66daa3ec7aa1ddd43c5a18cefc8050a6ff85bca03b763

Aliases

arxiv: 0907.3482 · arxiv_version: 0907.3482v2 · doi: 10.48550/arxiv.0907.3482 · pith_short_12: 272YG5IU6E53 · pith_short_16: 272YG5IU6E53GZGG · pith_short_8: 272YG5IU

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/272YG5IU6E53GZGGNWVD5R5KDX \
  | 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: d7f5837514f13bb364c66daa3ec7aa1ddd43c5a18cefc8050a6ff85bca03b763

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63f43c97efc6e7abc7dd0a58d74ac02d5b015a911d397d9488f41df16621824e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-20T20:25:59Z",
    "title_canon_sha256": "623ebf19eeb1ae88531c809ee5f5d68b2673d1ba672e8dd08883439ce886d640"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3482",
    "kind": "arxiv",
    "version": 2
  }
}