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Pith Number

pith:XXTEOZ4Y

pith:2016:XXTEOZ4YVJ7PIE7E5DVJBEIF4Q
not attested not anchored not stored refs pending

The R136 star cluster dissected with Hubble Space Telescope/STIS. I. Far-ultraviolet spectroscopic census and the origin of HeII 1640 in young star clusters

A. Bonanos, A. de Koter, A. Herrero, C.J. Evans, C.R. Angus, D.J. Lennon, F.R.N. Schneider, G. Grafener, H. Sana, I. Brott, I.D. Howarth, J. Maiz Apellaniz, J. Puls, J.S. Vink, K.A. Bostroem, N. Langer, N.R. Walborn, Paul A. Crowther, S.E. de Mink, S.M. Caballero-Nieves

arxiv:1603.04994 v1 · 2016-03-16 · astro-ph.SR · astro-ph.GA

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\usepackage{pith}
\pithnumber{XXTEOZ4YVJ7PIE7E5DVJBEIF4Q}

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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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-18T01:18:58.209287Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bde6476798aa7ef413e4e8ea909105e43f88500d5686ff651605918c51d06428

Aliases

arxiv: 1603.04994 · arxiv_version: 1603.04994v1 · doi: 10.48550/arxiv.1603.04994 · pith_short_12: XXTEOZ4YVJ7P · pith_short_16: XXTEOZ4YVJ7PIE7E · pith_short_8: XXTEOZ4Y
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XXTEOZ4YVJ7PIE7E5DVJBEIF4Q \
  | 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: bde6476798aa7ef413e4e8ea909105e43f88500d5686ff651605918c51d06428
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d3812bbe932b6f87300a2f3437d54442d4ce14a203af23851957884a3ce075f6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-03-16T09:07:08Z",
    "title_canon_sha256": "078fcace32414525d20c7eea9db3b074cf568bdaef2d4bfd3413c6cd64f342da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04994",
    "kind": "arxiv",
    "version": 1
  }
}