Pith Number

pith:TFJ53R3Y

pith:2018:TFJ53R3YPZXLY5VDLPL27C2QTH

not attested not anchored not stored refs pending

Blue Large-Amplitude Pulsators (BLAPs): possible origin, evolutionary status, and nature of their pulsations

Alejandra D. Romero, Alejandro H. C\'orsico, Ingrid Pelisoli, Leandro G. Althaus, S. O. Kepler

arxiv:1809.07451 v1 · 2018-09-20 · 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{TFJ53R3YPZXLY5VDLPL27C2QTH}

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	2026-05-18T00:05:16.281977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9953ddc7787e6ebc76a35bd7af8b5099e2f24779fdd8dd9f81dd5b305f91b9b6

Aliases

arxiv: 1809.07451 · arxiv_version: 1809.07451v1 · doi: 10.48550/arxiv.1809.07451 · pith_short_12: TFJ53R3YPZXL · pith_short_16: TFJ53R3YPZXLY5VD · pith_short_8: TFJ53R3Y

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/TFJ53R3YPZXLY5VDLPL27C2QTH \
  | 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: 9953ddc7787e6ebc76a35bd7af8b5099e2f24779fdd8dd9f81dd5b305f91b9b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf52ef1537e6e4d266520077223f78a521618d4f2f50c2bbc2a8c64c6e4e8427",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-20T02:25:38Z",
    "title_canon_sha256": "56b8703dedc6d9ca493b65151acb9cddf4964f8d87d9a813d057b3efe774bd36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07451",
    "kind": "arxiv",
    "version": 1
  }
}