Pith Number

pith:NKP7KXQO

pith:2007:NKP7KXQOT6V63UIGWOD7N5S4OL

not attested not anchored not stored refs pending

Discovery of hot supergiant stars near the Galactic center

Jon C. Mauerhan, Mark Morris, Michael P. Muno

arxiv:astro-ph/0703175 v4 · 2007-03-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKP7KXQOT6V63UIGWOD7N5S4OL}

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	2026-05-18T04:29:05.860175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a9ff55e0e9fabedd106b387f6f65c72ef02e40d2b6b3d88cb6ee00b61ffd702

Aliases

arxiv: astro-ph/0703175 · arxiv_version: astro-ph/0703175v4 · doi: 10.48550/arxiv.astro-ph/0703175 · pith_short_12: NKP7KXQOT6V6 · pith_short_16: NKP7KXQOT6V63UIG · pith_short_8: NKP7KXQO

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/NKP7KXQOT6V63UIGWOD7N5S4OL \
  | 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: 6a9ff55e0e9fabedd106b387f6f65c72ef02e40d2b6b3d88cb6ee00b61ffd702

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86d087a3868f047df91da474bbfcfaddf5f7b42119fd11d640aadffac7d72218",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-08T10:28:10Z",
    "title_canon_sha256": "87a5d8fbe7929473c4dd7d409d5c037209fca545b84fbe8ccb4ea770295e32ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703175",
    "kind": "arxiv",
    "version": 4
  }
}