Pith Number

pith:CI2T7FXB

pith:2009:CI2T7FXB7HKIER5JDU5KD4EGLU

not attested not anchored not stored refs pending

High Angular Resolution Imaging Spectroscopy of the Galactic Ultra-Compact HII Region K3-50A

Peter J. McGregor, Robert D. Blum

arxiv:0906.2793 v1 · 2009-06-15 · astro-ph.SR · 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{CI2T7FXB7HKIER5JDU5KD4EGLU}

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	2026-05-18T02:13:19.894158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12353f96e1f9d48247a91d3aa1f0865d3316771917255ff88789a6e5cf4fd31b

Aliases

arxiv: 0906.2793 · arxiv_version: 0906.2793v1 · doi: 10.48550/arxiv.0906.2793 · pith_short_12: CI2T7FXB7HKI · pith_short_16: CI2T7FXB7HKIER5J · pith_short_8: CI2T7FXB

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/CI2T7FXB7HKIER5JDU5KD4EGLU \
  | 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: 12353f96e1f9d48247a91d3aa1f0865d3316771917255ff88789a6e5cf4fd31b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e7c2d53da06051ebacad24c15ff6720d1caec83ba06924b09fdaab30f9746e5",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-15T20:22:23Z",
    "title_canon_sha256": "291ee69551817e8ebb02d6262a25606ecf4716c8f412f4be1bf1946dd0dd17ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2793",
    "kind": "arxiv",
    "version": 1
  }
}