Pith Number

pith:X6OP2K4N

pith:2020:X6OP2K4NATA2XCOBL6VEAJYHU5

not attested not anchored not stored refs pending

Probing the galactic halo with RR Lyrae stars I: The catalog

B.-Q. Chen, C. Wang, F. Wang, G.-C. Liu, H.-B. Yuan, H.-W. Zhang, J.-J., M.-S. Xiang, Ren, X.-W. Liu, Y. Huang, Y. Yang, Z.-J. Tian

arxiv:2002.01188 v1 · 2020-02-04 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X6OP2K4NATA2XCOBL6VEAJYHU5}

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	2026-07-05T00:55:09.686579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf9cfd2b8d04c1ab89c15faa402707a74279280f7ade21141cbbc94f3462335c

Aliases

arxiv: 2002.01188 · arxiv_version: 2002.01188v1 · doi: 10.48550/arxiv.2002.01188 · pith_short_12: X6OP2K4NATA2 · pith_short_16: X6OP2K4NATA2XCOB · pith_short_8: X6OP2K4N

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/X6OP2K4NATA2XCOBL6VEAJYHU5 \
  | 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: bf9cfd2b8d04c1ab89c15faa402707a74279280f7ade21141cbbc94f3462335c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab423f11b38cb37392cf758e3b1914dc21a8272574fd085fe7a0a1a05faa8201",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-02-04T09:37:49Z",
    "title_canon_sha256": "b71afc96c2cee3f2d2c505f0802c7cb1eb354f350b7bd793fca9c52c0b5dc3f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.01188",
    "kind": "arxiv",
    "version": 1
  }
}