Pith Number

pith:257BAA4S

pith:2018:257BAA4SEMYOBNNNIXFJILDSXB

not attested not anchored not stored refs pending

New variable stars in the Galactic Bulge: I. The bright regime

A. Bhardwaj, A. Calamida, F. Surot, G. Bono, J. Anderson, K. C. Sahu, L. Inno, M. Rejkuba, M. Zoccali, N. Kains, S. Casertano

arxiv:1805.01898 v1 · 2018-05-04 · 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{257BAA4SEMYOBNNNIXFJILDSXB}

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	2026-05-18T00:02:01.166038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d77e1003922330e0b5ad45ca942c72b857ff88b1e26c1e9d00adf4a0ee22054e

Aliases

arxiv: 1805.01898 · arxiv_version: 1805.01898v1 · doi: 10.48550/arxiv.1805.01898 · pith_short_12: 257BAA4SEMYO · pith_short_16: 257BAA4SEMYOBNNN · pith_short_8: 257BAA4S

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/257BAA4SEMYOBNNNIXFJILDSXB \
  | 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: d77e1003922330e0b5ad45ca942c72b857ff88b1e26c1e9d00adf4a0ee22054e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64a021b5367ba80268e65cc8218989580c7dcc1d15544aeeee7acaca8dd6a6f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-04T18:00:01Z",
    "title_canon_sha256": "b27112f7efa04da5df7919905d184e6508c90f643d2a5c25603f7bdd01c2cb25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01898",
    "kind": "arxiv",
    "version": 1
  }
}