Pith Number

pith:6P7ZQJ65

pith:2019:6P7ZQJ65VV2CBCP6KUHEUTW3QR

not attested not anchored not stored refs pending

On the Oosterhoff dichotomy in the Galactic bulge: I. spatial distribution

E. K. Grebel, I. D\'ek\'any, M. Catelan, M. Skarka, R. Smolec, Z. Prudil

arxiv:1901.09726 v1 · 2019-01-28 · 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{6P7ZQJ65VV2CBCP6KUHEUTW3QR}

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	2026-05-17T23:53:20.624264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3ff9827ddad742089fe550e4a4edb847f3c3a77adf767b6f905b935399d4cf2

Aliases

arxiv: 1901.09726 · arxiv_version: 1901.09726v1 · doi: 10.48550/arxiv.1901.09726 · pith_short_12: 6P7ZQJ65VV2C · pith_short_16: 6P7ZQJ65VV2CBCP6 · pith_short_8: 6P7ZQJ65

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/6P7ZQJ65VV2CBCP6KUHEUTW3QR \
  | 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: f3ff9827ddad742089fe550e4a4edb847f3c3a77adf767b6f905b935399d4cf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ca05cf961b2b45f2e4e553f7726d3f89a53464a1c4c663fe0aec0bd0ef029f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-01-28T15:11:10Z",
    "title_canon_sha256": "253a13aa2d501f6702266c152e71924cf3d65a2b27c482691681026907aade5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09726",
    "kind": "arxiv",
    "version": 1
  }
}