Pith Number

pith:DGT7AOK7

pith:2013:DGT7AOK72ULFZERSF32CUDNBZT

not attested not anchored not stored refs pending

A direct dynamical measurement of the Milky Way's disk surface density profile, disk scale length, and dark matter profile at 4 kpc < R < 9 kpc

Hans-Walter Rix (MPIA), Jo Bovy (IAS)

arxiv:1309.0809 v3 · 2013-09-03 · astro-ph.GA · astro-ph.CO · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DGT7AOK72ULFZERSF32CUDNBZT}

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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	2026-05-18T03:05:35.394873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19a7f0395fd5165c92322ef42a0da1ccdc03f8957375ba1de5dd2f1d341d41ad

Aliases

arxiv: 1309.0809 · arxiv_version: 1309.0809v3 · doi: 10.48550/arxiv.1309.0809 · pith_short_12: DGT7AOK72ULF · pith_short_16: DGT7AOK72ULFZERS · pith_short_8: DGT7AOK7

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/DGT7AOK72ULFZERSF32CUDNBZT \
  | 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: 19a7f0395fd5165c92322ef42a0da1ccdc03f8957375ba1de5dd2f1d341d41ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83f517c3a9945ee90d0ae99d9d98ee54496c9dbfc0e42ba16aa93e13cb98cb9d",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-09-03T20:00:00Z",
    "title_canon_sha256": "917e4ea3fde126062a3661923b8198d94795b84431976757e7ee43503657c299"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0809",
    "kind": "arxiv",
    "version": 3
  }
}