Pith Number

pith:URDNSBOB

pith:2015:URDNSBOBU4TN5KP2JMAJFUH3OC

not attested not anchored not stored refs pending

Pushing the limits, episode 2: K2 observations of extragalactic RR Lyrae stars in the dwarf galaxy Leo IV

A. P\'al, E. Plachy, L. L. Kiss, L. Moln\'ar, M. I. Moretti, R. Szab\'o, V. Ripepi

arxiv:1508.05587 v1 · 2015-08-23 · 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{URDNSBOBU4TN5KP2JMAJFUH3OC}

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	2026-05-18T01:30:23.197089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a446d905c1a726dea9fa4b0092d0fb70a373cd4cf47fe4f387ba9b5ad895e723

Aliases

arxiv: 1508.05587 · arxiv_version: 1508.05587v1 · doi: 10.48550/arxiv.1508.05587 · pith_short_12: URDNSBOBU4TN · pith_short_16: URDNSBOBU4TN5KP2 · pith_short_8: URDNSBOB

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/URDNSBOBU4TN5KP2JMAJFUH3OC \
  | 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: a446d905c1a726dea9fa4b0092d0fb70a373cd4cf47fe4f387ba9b5ad895e723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e184953acb49300c00de9f3c1e08b0cfdf564d4018462399f2a9555697667ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-08-23T10:00:49Z",
    "title_canon_sha256": "82bc567ecf206f86319fb3600d92c0471ae734ae8563303c8a5759a4f97239ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05587",
    "kind": "arxiv",
    "version": 1
  }
}