Pith Number

pith:N2WATLG5

pith:2012:N2WATLG5GZJXEM5MG6LPDLOLMG

not attested not anchored not stored refs pending

Photometric and Spectroscopic Studies of Massive Binaries in the Large Magellanic Cloud. I. Introduction and Orbits for Two Detached Systems: Evidence for a Mass Discrepancy?

Douglas R. Gies, Kathleen-DeGioia Eastwood, Kathryn F. Neugent, Laura R. Penny, Nidia I. Morrell, Philip Massey

arxiv:1201.3280 v1 · 2012-01-16 · astro-ph.SR · astro-ph.CO · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2WATLG5GZJXEM5MG6LPDLOLMG}

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	2026-05-18T01:58:48.735579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6eac09acdd36537233ac3796f1adcb61bb0a1fd1f8fe5b919e6b4e6af09d17ec

Aliases

arxiv: 1201.3280 · arxiv_version: 1201.3280v1 · doi: 10.48550/arxiv.1201.3280 · pith_short_12: N2WATLG5GZJX · pith_short_16: N2WATLG5GZJXEM5M · pith_short_8: N2WATLG5

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/N2WATLG5GZJXEM5MG6LPDLOLMG \
  | 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: 6eac09acdd36537233ac3796f1adcb61bb0a1fd1f8fe5b919e6b4e6af09d17ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4eae74f5f0b2e8e67a977b839d23c96b3bcc1953533e051c6796a8af298ca67",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-01-16T15:29:25Z",
    "title_canon_sha256": "7e9fb8b60a3022dcb371bde0ba8139e7f0c8e1945d335bb3ea125c182a48ad88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3280",
    "kind": "arxiv",
    "version": 1
  }
}