Pith Number

pith:RA3PZOZQ

pith:2019:RA3PZOZQ7XYUSY45Z3V5Q36X6C

not attested not anchored not stored refs pending

From the Outside Looking in: What can Milky Way Analogues Tell us About the Star Formation Rate of Our Own Galaxy?

Alfonso Arag\'on-Salamanca, Amelia Fraser-McKelvie, Michael Merrifield

arxiv:1909.01654 v1 · 2019-09-04 · 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{RA3PZOZQ7XYUSY45Z3V5Q36X6C}

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	2026-07-05T00:09:04.167591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8836fcbb30fdf149639dceebd86fd7f0a71274a1071950d5f92c5bf22e6e129a

Aliases

arxiv: 1909.01654 · arxiv_version: 1909.01654v1 · doi: 10.48550/arxiv.1909.01654 · pith_short_12: RA3PZOZQ7XYU · pith_short_16: RA3PZOZQ7XYUSY45 · pith_short_8: RA3PZOZQ

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/RA3PZOZQ7XYUSY45Z3V5Q36X6C \
  | 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: 8836fcbb30fdf149639dceebd86fd7f0a71274a1071950d5f92c5bf22e6e129a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d65ce7acc6ccc2ac066302453484a3c8dc0647dce3bf469fb834eb03a3279e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-09-04T09:40:55Z",
    "title_canon_sha256": "57c49a2153274b7ed9fb485abc984614d02e9c0f196c216156f91f2f2c455860"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01654",
    "kind": "arxiv",
    "version": 1
  }
}