Pith Number

pith:ZJXGTOYS

pith:2018:ZJXGTOYSEPJHKFBP53BCGUVO5R

not attested not anchored not stored refs pending

The Massive Star-Forming Regions Omnibus X-Ray Catalog, Second Installment

Eric D. Feigelson, Gemma E. Anderson, Gordon P. Garmire, Leisa K. Townsley, Matthew S. Povich, Patrick S. Broos, Tim Naylor

arxiv:1802.04902 v1 · 2018-02-14 · astro-ph.SR · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZJXGTOYSEPJHKFBP53BCGUVO5R}

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	2026-05-18T00:17:04.920087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca6e69bb1223d275142feec22352aeec48258e4b8af9c04bac6ef2813db2d542

Aliases

arxiv: 1802.04902 · arxiv_version: 1802.04902v1 · doi: 10.48550/arxiv.1802.04902 · pith_short_12: ZJXGTOYSEPJH · pith_short_16: ZJXGTOYSEPJHKFBP · pith_short_8: ZJXGTOYS

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/ZJXGTOYSEPJHKFBP53BCGUVO5R \
  | 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: ca6e69bb1223d275142feec22352aeec48258e4b8af9c04bac6ef2813db2d542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c1e87473c4b52301d32fea82e13182f9306dcf03bb3efecb2a0759af9b280e8",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-02-14T00:14:26Z",
    "title_canon_sha256": "8fb9fc82f8996e06d7cdafabbbfdecc20d87be97a366b6c89beaed21d8253367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04902",
    "kind": "arxiv",
    "version": 1
  }
}