pith. sign in
Pith Number

pith:EDEBP34B

pith:2015:EDEBP34B7LP573VY4O7VG4CDJ5
not attested not anchored not stored refs pending

Var C: Long-term photometric and spectral variability of an LBV in M33

A. Becker, A. Pellerin, A. Zharova, B. Burggraf, D.J. Bomans, H. Meusinger, K. Weis, M. Henze, O. Sholukhova

arxiv:1505.07327 v1 · 2015-05-27 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EDEBP34B7LP573VY4O7VG4CDJ5}

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 2026-05-18T01:34:49.615016Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

20c817ef81fadfdfeeb8e3bf5370434f68c6836e06ca269d7e72f1557de36d5e

Aliases

arxiv: 1505.07327 · arxiv_version: 1505.07327v1 · doi: 10.48550/arxiv.1505.07327 · pith_short_12: EDEBP34B7LP5 · pith_short_16: EDEBP34B7LP573VY · pith_short_8: EDEBP34B
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EDEBP34B7LP573VY4O7VG4CDJ5 \
  | 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: 20c817ef81fadfdfeeb8e3bf5370434f68c6836e06ca269d7e72f1557de36d5e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ff84e19191a014bab04fa0906c0fa3ccdf7e5fde298fcbb3e2d1d3567ca36ca7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-05-27T14:10:21Z",
    "title_canon_sha256": "c2dc37dee1a30e7bffa80d6a14e42e6c9f3ca42b7a69f35def37ef5d61d21342"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07327",
    "kind": "arxiv",
    "version": 1
  }
}