Pith Number

pith:VCMVEPPG

pith:2010:VCMVEPPGBMBGT4KXSEM7H3QKKD

not attested not anchored not stored refs pending

Isolated Wolf-Rayet Stars and O Supergiants in the Galactic Center Region Identified via Paschen-alpha Excess

Angela Cotera, Cornelia Lang, Daniel Wang, Hui Dong, Jon Mauerhan, Mark Morris, Susan Stolovy

arxiv:1009.2769 v4 · 2010-09-14 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VCMVEPPGBMBGT4KXSEM7H3QKKD}

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	2026-05-18T01:35:17.055816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a899523de60b0269f1579119f3ee0a50de4e8b5a0837cdad5478e8edc058d139

Aliases

arxiv: 1009.2769 · arxiv_version: 1009.2769v4 · doi: 10.48550/arxiv.1009.2769 · pith_short_12: VCMVEPPGBMBG · pith_short_16: VCMVEPPGBMBGT4KX · pith_short_8: VCMVEPPG

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/VCMVEPPGBMBGT4KXSEM7H3QKKD \
  | 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: a899523de60b0269f1579119f3ee0a50de4e8b5a0837cdad5478e8edc058d139

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7ec1701d22c522748f0bc9f40bce64e9004ee76357f08ef622af5331e80b0cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-14T20:22:14Z",
    "title_canon_sha256": "5f79b8743eb82a4023d9a9e9ddafacd1ace8c79076a2fe75c54aea97fe436f35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2769",
    "kind": "arxiv",
    "version": 4
  }
}