Pith Number

pith:NIC3BZHK

pith:2015:NIC3BZHKYN4P26YPA3J56WQOGU

not attested not anchored not stored refs pending

Broad Balmer Wings in BA Hyper/Supergiants Distorted by Diffuse Interstellar Bands: Five Examples in the 30 Doradus Region from the VLT-FLAMES Tarantula Survey

Alfredo Sota (Instituto de Astrof\'isica de Andaluc\'ia-CSIC), Catherine M. McEvoy (Queen's University Belfast), Christopher J. Evans, CSIC-INTA), Elena Sabbi (Space Telescope Science Institute), Hugues Sana (Space Telescope Science Institute), Jes\'us Ma\'iz Apell\'aniz (Centro de Astrobiolog\'ia, J. Simon Clark (The Open University), Krzysztof Ulaczyk (Warsaw University Observatory), Nevena Markova (Bulgarian Academy of Sciences), Nidia I. Morrell (Las Campanas Observatory), Nolan R. Walborn, Philip L. Dufton, Rodolfo H. Barb\'a (Universidad de La Serena), William D. Taylor (UK Astronomy Technology Centre)

arxiv:1508.03021 v1 · 2015-08-12 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NIC3BZHKYN4P26YPA3J56WQOGU}

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	2026-05-18T01:35:06.307098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a05b0e4eac378fd7b0f06d3df5a0e351babd6a3eb48a5f2520470c1a02fe93e

Aliases

arxiv: 1508.03021 · arxiv_version: 1508.03021v1 · doi: 10.48550/arxiv.1508.03021 · pith_short_12: NIC3BZHKYN4P · pith_short_16: NIC3BZHKYN4P26YP · pith_short_8: NIC3BZHK

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/NIC3BZHKYN4P26YPA3J56WQOGU \
  | 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: 6a05b0e4eac378fd7b0f06d3df5a0e351babd6a3eb48a5f2520470c1a02fe93e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6c962f531e5fe817bbace581840d49fa5bb3ab580a84d8387be2f22fb7dc0c0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-08-12T18:33:55Z",
    "title_canon_sha256": "8a5992f8a3b482386f834952c3fc5ae0c020dd5a155a4a3f3f7065bba0aa2688"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03021",
    "kind": "arxiv",
    "version": 1
  }
}