Pith Number

pith:K4XPZYGH

pith:2015:K4XPZYGH6WUBT4GDYJR3WFB2GG

not attested not anchored not stored refs pending

New Variable Stars Discovered by the APACHE Survey. II. Results After the Second Observing Season

A. Bernagozzi, A. Carbognani, A. Sozzetti, D. Cenadelli, E. Bertolini, J. M. Christille, L. Gioannini, L. Lanteri, M. Damasso, M. G. Lattanzi. R. Smart, P. Calcidese, P. Giacobbe

arxiv:1502.03651 v1 · 2015-02-12 · 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{K4XPZYGH6WUBT4GDYJR3WFB2GG}

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	2026-05-18T02:27:17.161553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

572efce0c7f5a819f0c3c263bb143a31a877c6e43e24d70df21c52a6e72d8da1

Aliases

arxiv: 1502.03651 · arxiv_version: 1502.03651v1 · doi: 10.48550/arxiv.1502.03651 · pith_short_12: K4XPZYGH6WUB · pith_short_16: K4XPZYGH6WUBT4GD · pith_short_8: K4XPZYGH

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/K4XPZYGH6WUBT4GDYJR3WFB2GG \
  | 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: 572efce0c7f5a819f0c3c263bb143a31a877c6e43e24d70df21c52a6e72d8da1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f699f45784a96c75e19b09cbae015ffa924a7ce6efd62a426c953cb454cd98c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-02-12T13:31:41Z",
    "title_canon_sha256": "f63b72dbf60d58ee130478621eafa46bcfdb5b3dbab919a5b0e08aaecb333704"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03651",
    "kind": "arxiv",
    "version": 1
  }
}