Pith Number

pith:45OSVSYI

pith:2015:45OSVSYI7CMDG5TR5QYMB5B3AF

not attested not anchored not stored refs pending

The Surface Density Profile of the Galactic Disk from the Terminal Velocity Curve

Stacy S. McGaugh

arxiv:1511.06387 v1 · 2015-11-19 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{45OSVSYI7CMDG5TR5QYMB5B3AF}

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	2026-05-18T01:23:02.505759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e75d2acb08f898337671ec30c0f43b014a44be2eb7217d28eeee7784e4a45cf1

Aliases

arxiv: 1511.06387 · arxiv_version: 1511.06387v1 · doi: 10.48550/arxiv.1511.06387 · pith_short_12: 45OSVSYI7CMD · pith_short_16: 45OSVSYI7CMDG5TR · pith_short_8: 45OSVSYI

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/45OSVSYI7CMDG5TR5QYMB5B3AF \
  | 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: e75d2acb08f898337671ec30c0f43b014a44be2eb7217d28eeee7784e4a45cf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69f58c9eadeba795dccf62cff55be9e16ef133a25a946bb24a146cfb0c5e4886",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-19T21:20:51Z",
    "title_canon_sha256": "9d0788889a8d0e1a9b78e59c9e46befb604105d9660d48e0fe926e4ab2970084"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06387",
    "kind": "arxiv",
    "version": 1
  }
}