Pith Number

pith:MP5HB7QP

pith:2009:MP5HB7QPE3U7OHGDSPPGMVYKA6

not attested not anchored not stored refs pending

The Tilt of the Halo Velocity Ellipsoid and the Shape of the Milky Way Halo

J. An (Copenhagen), M.C. Smith (Cambridge), N.W. Evans (Cambridge)

arxiv:0902.2709 v1 · 2009-02-16 · 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{MP5HB7QPE3U7OHGDSPPGMVYKA6}

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	2026-05-18T04:29:16.530683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63fa70fe0f26e9f71cc393de66570a07b035a0e4882b776d1bae27599546f5ef

Aliases

arxiv: 0902.2709 · arxiv_version: 0902.2709v1 · doi: 10.48550/arxiv.0902.2709 · pith_short_12: MP5HB7QPE3U7 · pith_short_16: MP5HB7QPE3U7OHGD · pith_short_8: MP5HB7QP

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/MP5HB7QPE3U7OHGDSPPGMVYKA6 \
  | 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: 63fa70fe0f26e9f71cc393de66570a07b035a0e4882b776d1bae27599546f5ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c77215c0e880cb8c9fe9b8719c7f34ea280e60b3f5c15e9e6806b0c05d6c6ee3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-02-16T15:36:44Z",
    "title_canon_sha256": "8304dee2c8f1672168dabc1a6ec944cb29925af6cdc2bcdf4a08bfe46f254e2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2709",
    "kind": "arxiv",
    "version": 1
  }
}