Pith Number

pith:32SCL7M2

pith:2025:32SCL7M2W2J4JW4EAVG6CT6VI7

not attested not anchored not stored refs pending

Stochastic low-frequency variability of 50 massive stars in the Cygnus OB associations and the Small Magellanic Cloud

L. Bildsten, M. G. Pedersen

arxiv:2504.15861 v1 · 2025-04-22 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{32SCL7M2W2J4JW4EAVG6CT6VI7}

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	2026-07-05T10:52:31.312034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dea425fd9ab693c4db84054de14fd547d9116963baf598fc8f2801da904c16ce

Aliases

arxiv: 2504.15861 · arxiv_version: 2504.15861v1 · doi: 10.48550/arxiv.2504.15861 · pith_short_12: 32SCL7M2W2J4 · pith_short_16: 32SCL7M2W2J4JW4E · pith_short_8: 32SCL7M2

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/32SCL7M2W2J4JW4EAVG6CT6VI7 \
  | 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: dea425fd9ab693c4db84054de14fd547d9116963baf598fc8f2801da904c16ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30e6220a674b32aa4e25b69c742cee053b5296892d31bd1c8b7b9946106a778d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-04-22T12:57:30Z",
    "title_canon_sha256": "8ed3ca3a9cdca23f9dcbbddb5721a662fa2ae44438088c031ccc0d075246cc5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.15861",
    "kind": "arxiv",
    "version": 1
  }
}