Pith Number

pith:RG7VQLAG

pith:2018:RG7VQLAGC7XLVAY4EN4S5SMTKE

not attested not anchored not stored refs pending

Chandra Observations of the Massive Star-Forming Region Onsala 2

Kimberly R. Sokal, Manuel Guedel, Stephen L. Skinner

arxiv:1812.02210 v1 · 2018-12-05 · 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{RG7VQLAGC7XLVAY4EN4S5SMTKE}

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	2026-05-17T23:47:27.253175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89bf582c0617eeba831c23792ec9935137e9d68806a08b1b9640ce9f914ba93a

Aliases

arxiv: 1812.02210 · arxiv_version: 1812.02210v1 · doi: 10.48550/arxiv.1812.02210 · pith_short_12: RG7VQLAGC7XL · pith_short_16: RG7VQLAGC7XLVAY4 · pith_short_8: RG7VQLAG

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/RG7VQLAGC7XLVAY4EN4S5SMTKE \
  | 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: 89bf582c0617eeba831c23792ec9935137e9d68806a08b1b9640ce9f914ba93a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd586eea09223aa9b98f900e6452be7d09a4979c077c825f957a7fc0e2d7409d",
    "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": "2018-12-05T20:22:00Z",
    "title_canon_sha256": "83bf51108d7862aebc507497d6af4160e22803dc55bacde37d74c7ba5b963499"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02210",
    "kind": "arxiv",
    "version": 1
  }
}