Pith Number

pith:6RFQKB6Q

pith:2015:6RFQKB6QUTV5WV76RCP6X7E2ZP

not attested not anchored not stored refs pending

NuSTAR discovery of an unusually steady long-term spin-up of the Be binary 2RXP J130159.6-635806

1), (10) Lawrence Livermore National Laboratory, (11) Cahill Center for Astronomy, (12) Columbia Astrophysics Laboratory, (13) Department of Physics, (14) European Southern Observatory, 15), (15) Department of Astronomy, (16) Jet Propulsion Laboratory, (17) NASA Goddard Space Flight Center, 2), (2) Space Research Institute (IKI), (3) Tuorla Observatory, (4) MIT Kavli Institute for Astrophysics, (5) Observatoire Midi-Pyrenees, 6), (6) CNRS, (7) Dublin City University, 8), (8) Dublin Institute for Advanced Studies, (9) DTU Space - National Space Institute, Alexander A. Lutovinov (2), Astronomy, Astrophysics, CA, California Institute of Technology, Cambridge, Charles J. Hailey (12), Columbia University, Daniel Stern (16), Deepto Chakrabarty (4), Denmark, Department of Physics, Farid Rahoui (14, Felix Fuerst (11), Finland, Finn E. Christensen (9), Fiona A. Harrison (11), France, Garching bei Muenchen, George B. Lansbury (13), Germany, Greenbelt, Harvard University, Institut de Recherche en Astrophysique et Planetologie, Ireland, John A. Tomsick (1), Livermore, MA, Masha Chernyakova (7, Matteo Bachetti (5, MD, Moscow, New York, Pasadena, Roman A. Krivonos (1, Russia, Russian Academy of Sciences, Sergey S. Tsygankov (3, Space Research, Steven E. Boggs (1), Technical University of Denmark, Toulouse, UK, Universite de Toulouse, University of Durham, University of Turku, USA, USA), William W. Craig (10, William W. Zhang (17) ((1) SSL-UC Berkeley

arxiv:1507.04534 v1 · 2015-07-16 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6RFQKB6QUTV5WV76RCP6X7E2ZP}

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	2026-05-18T01:34:47.639865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f44b0507d0a4ebdb57fe889febfc9acbf71a3aea98968b83e52e9c1dc2243794

Aliases

arxiv: 1507.04534 · arxiv_version: 1507.04534v1 · doi: 10.48550/arxiv.1507.04534 · pith_short_12: 6RFQKB6QUTV5 · pith_short_16: 6RFQKB6QUTV5WV76 · pith_short_8: 6RFQKB6Q

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/6RFQKB6QUTV5WV76RCP6X7E2ZP \
  | 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: f44b0507d0a4ebdb57fe889febfc9acbf71a3aea98968b83e52e9c1dc2243794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12e06097f3a75f99466915e93e618cee6ff37481042d591af994047d523d21b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-07-16T11:58:02Z",
    "title_canon_sha256": "301a880c316beb1718d7e5e156952338fe5b59437b970a88845a25988bce73ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04534",
    "kind": "arxiv",
    "version": 1
  }
}