Pith Number

pith:T57SWLVB

pith:2011:T57SWLVBC3KSR5IE2ONOGO7MRS

not attested not anchored not stored refs pending

The VLT-FLAMES Tarantula Survey II: R139 revealed as a massive binary system

A. Alvarez-Candal, A. de Koter, A. Herrero, A. Z. Bonanos, C. J. Evans, D. J. Lennon, G. Gr\"afener, H. Sana, I. Brott, J. Ma\'iz Apell\'aniz, J. M. Bestenlehner, J. S. Vink, K. Friedrich, L. Kaper, L. Monaco, N. Langer, N. Markova, N. Morrell, N. R. Walborn, P. A. Crowther, R. H. Barb\'a, S. E. de Mink, V. E. Stroud, V. H\'enault-Brunet, W. D. Taylor

arxiv:1103.5387 v1 · 2011-03-28 · 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{T57SWLVBC3KSR5IE2ONOGO7MRS}

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	2026-05-18T02:02:44.089390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f7f2b2ea116d528f504d39ae33bec8c8fe8123934cc872dd6a94ccdc9730c8c

Aliases

arxiv: 1103.5387 · arxiv_version: 1103.5387v1 · doi: 10.48550/arxiv.1103.5387 · pith_short_12: T57SWLVBC3KS · pith_short_16: T57SWLVBC3KSR5IE · pith_short_8: T57SWLVB

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/T57SWLVBC3KSR5IE2ONOGO7MRS \
  | 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: 9f7f2b2ea116d528f504d39ae33bec8c8fe8123934cc872dd6a94ccdc9730c8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03a02b30c1f2a854dccb075f521c401212d3c11ddfcdddc636dc2eb0ffd85a22",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-28T15:12:14Z",
    "title_canon_sha256": "0b436f4e97bc73dd045d969c8efdba5e9d9833aecddb6992eb76adbd232145b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5387",
    "kind": "arxiv",
    "version": 1
  }
}