Pith Number

pith:7XAXRI6D

pith:2019:7XAXRI6DPYAFHJAIADG7RKHBJH

not attested not anchored not stored refs pending

Beyond the Solar Circle $-$ Trends in Massive Star Formation Between the Inner and Outer Galaxy

J. Forbrich, J.O. Djordjevic, J.S. Urquhart, M.A. Thompson

arxiv:1905.01714 v2 · 2019-05-05 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7XAXRI6DPYAFHJAIADG7RKHBJH}

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	2026-05-17T23:39:54.000835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdc178a3c37e0053a40800cdf8a8e149f9c189de4c63014964c4b57a5408109e

Aliases

arxiv: 1905.01714 · arxiv_version: 1905.01714v2 · doi: 10.48550/arxiv.1905.01714 · pith_short_12: 7XAXRI6DPYAF · pith_short_16: 7XAXRI6DPYAFHJAI · pith_short_8: 7XAXRI6D

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/7XAXRI6DPYAFHJAIADG7RKHBJH \
  | 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: fdc178a3c37e0053a40800cdf8a8e149f9c189de4c63014964c4b57a5408109e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "125b427a7a4e01f08aee058ab10b3522dd67d1aa85e79c91b317167d32c3a2ff",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-05T16:27:26Z",
    "title_canon_sha256": "55b377ecca35323e147442bfa0fd5873ab67b0df7af22c72512fd8d40a4b900c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01714",
    "kind": "arxiv",
    "version": 2
  }
}