Pith Number

pith:PWT32TNE

pith:2015:PWT32TNEFNVRPC254RXL5RJI2X

not attested not anchored not stored refs pending

The Multiperiodic Pulsating Star Y Cam A as a Musical Instrument

Burak Ulas

arxiv:1507.07307 v1 · 2015-07-27 · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWT32TNEFNVRPC254RXL5RJI2X}

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	2026-05-18T01:36:16.673810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7da7bd4da42b6b178b5de46ebec528d5da5b324ad9a6589dd04b69de1fd6c980

Aliases

arxiv: 1507.07307 · arxiv_version: 1507.07307v1 · doi: 10.48550/arxiv.1507.07307 · pith_short_12: PWT32TNEFNVR · pith_short_16: PWT32TNEFNVRPC25 · pith_short_8: PWT32TNE

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/PWT32TNEFNVRPC254RXL5RJI2X \
  | 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: 7da7bd4da42b6b178b5de46ebec528d5da5b324ad9a6589dd04b69de1fd6c980

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e43158cc38f518d5b59b3ed4967e113fb3750020e96b75744fcd650c97ad27d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2015-07-27T06:12:47Z",
    "title_canon_sha256": "a796fb9272deba9d18fa86f215fe52da31ef998a9cb60b20a8fdc1dc198926c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07307",
    "kind": "arxiv",
    "version": 1
  }
}