Pith Number

pith:CCKD2OMT

pith:2020:CCKD2OMTTMJ45YOO4NZJMF7EMB

not attested not anchored not stored refs pending

The newly discovered Be/X-ray binary Swift J004516.6-734703 in the SMC: witnessing the emergence of a circumstellar disc

A. Udalski, D. A. H. Buckley, I. M. Monageng, J. A. Kennea, L. J. Townsend, M. H. Siegel, M. J. Coe, P. A. Evans

arxiv:2006.12537 v2 · 2020-06-22 · 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{CCKD2OMTTMJ45YOO4NZJMF7EMB}

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	2026-07-05T01:39:01.388010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10943d39939b13cee1cee3729617e4607c18e00d5aef87c71550b6af24ad2cb6

Aliases

arxiv: 2006.12537 · arxiv_version: 2006.12537v2 · doi: 10.48550/arxiv.2006.12537 · pith_short_12: CCKD2OMTTMJ4 · pith_short_16: CCKD2OMTTMJ45YOO · pith_short_8: CCKD2OMT

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/CCKD2OMTTMJ45YOO4NZJMF7EMB \
  | 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: 10943d39939b13cee1cee3729617e4607c18e00d5aef87c71550b6af24ad2cb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e94d4e168de085d329423afe55217dd8ff891c6aa1c0d0c21caeca7ec3f5bf8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-06-22T18:08:33Z",
    "title_canon_sha256": "e65caf92b94fe376ee1d866a421fcb4ec0eec26192c2e8957cb3b36dfac08776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.12537",
    "kind": "arxiv",
    "version": 2
  }
}